Home / 8,116.36-11,200.56-4,390.36

Finding the Fourth Proportional to 8,116.36, 11,200.56 and 4,390.36

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Solution

The fourth proportional to 8,116.36, 11,200.56 and 4,390.36 is: 6,058.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.36 : 11,200.56 = 4,390.36 : x
  2. Step 2: Convert to fraction form
    8,116.36/11,200.56 = 4,390.36/x
  3. Step 3: Cross multiply
    8,116.36x = 11,200.56 × 4,390.36
  4. Step 4: Simplify right side
    8,116.36x = 49,174,490.60
  5. Step 5: Solve for x
    x = 49,174,490.60/8,116.36
  6. Step 6: Final answer
    x = 6,058.69

Related Problems

Find fourth proportional to 4,058.18, 5,600.28 and 2,195.18
Half scale
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Double scale
Find fourth proportional to 8,117.36, 11,201.94 and 4,391.36
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.