Home / 8,116.37-11,200.58-4,390.37

Finding the Fourth Proportional to 8,116.37, 11,200.58 and 4,390.37

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Solution

The fourth proportional to 8,116.37, 11,200.58 and 4,390.37 is: 6,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.37 : 11,200.58 = 4,390.37 : x
  2. Step 2: Convert to fraction form
    8,116.37/11,200.58 = 4,390.37/x
  3. Step 3: Cross multiply
    8,116.37x = 11,200.58 × 4,390.37
  4. Step 4: Simplify right side
    8,116.37x = 49,174,612.46
  5. Step 5: Solve for x
    x = 49,174,612.46/8,116.37
  6. Step 6: Final answer
    x = 6,058.70

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Find fourth proportional to 4,058.18, 5,600.29 and 2,195.18
Half scale
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Double scale
Find fourth proportional to 8,117.37, 11,201.95 and 4,391.37
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.