Home / 8,275.66-11,420.37-4,498.81

Finding the Fourth Proportional to 8,275.66, 11,420.37 and 4,498.81

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Solution

The fourth proportional to 8,275.66, 11,420.37 and 4,498.81 is: 6,208.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.66 : 11,420.37 = 4,498.81 : x
  2. Step 2: Convert to fraction form
    8,275.66/11,420.37 = 4,498.81/x
  3. Step 3: Cross multiply
    8,275.66x = 11,420.37 × 4,498.81
  4. Step 4: Simplify right side
    8,275.66x = 51,378,100.90
  5. Step 5: Solve for x
    x = 51,378,100.90/8,275.66
  6. Step 6: Final answer
    x = 6,208.34

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Double scale
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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.