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Finding the Fourth Proportional to 9,239.27, 12,747.03 and 5,259.39

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Solution

The fourth proportional to 9,239.27, 12,747.03 and 5,259.39 is: 7,256.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239.27 : 12,747.03 = 5,259.39 : x
  2. Step 2: Convert to fraction form
    9,239.27/12,747.03 = 5,259.39/x
  3. Step 3: Cross multiply
    9,239.27x = 12,747.03 × 5,259.39
  4. Step 4: Simplify right side
    9,239.27x = 67,041,602.11
  5. Step 5: Solve for x
    x = 67,041,602.11/9,239.27
  6. Step 6: Final answer
    x = 7,256.16

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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.