Home / 10,237.55-14,126.66-5,761.20

Finding the Fourth Proportional to 10,237.55, 14,126.66 and 5,761.20

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Solution

The fourth proportional to 10,237.55, 14,126.66 and 5,761.20 is: 7,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,237.55 : 14,126.66 = 5,761.20 : x
  2. Step 2: Convert to fraction form
    10,237.55/14,126.66 = 5,761.20/x
  3. Step 3: Cross multiply
    10,237.55x = 14,126.66 × 5,761.20
  4. Step 4: Simplify right side
    10,237.55x = 81,386,513.59
  5. Step 5: Solve for x
    x = 81,386,513.59/10,237.55
  6. Step 6: Final answer
    x = 7,949.80

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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.