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Finding the Fourth Proportional to 9,006.88, 13,510.29 and 5,006.80

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Solution

The fourth proportional to 9,006.88, 13,510.29 and 5,006.80 is: 7,510.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,006.88 : 13,510.29 = 5,006.80 : x
  2. Step 2: Convert to fraction form
    9,006.88/13,510.29 = 5,006.80/x
  3. Step 3: Cross multiply
    9,006.88x = 13,510.29 × 5,006.80
  4. Step 4: Simplify right side
    9,006.88x = 67,643,319.97
  5. Step 5: Solve for x
    x = 67,643,319.97/9,006.88
  6. Step 6: Final answer
    x = 7,510.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.