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Finding the Fourth Proportional to 9,038.78, 12,474.07 and 5,060.14

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Solution

The fourth proportional to 9,038.78, 12,474.07 and 5,060.14 is: 6,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038.78 : 12,474.07 = 5,060.14 : x
  2. Step 2: Convert to fraction form
    9,038.78/12,474.07 = 5,060.14/x
  3. Step 3: Cross multiply
    9,038.78x = 12,474.07 × 5,060.14
  4. Step 4: Simplify right side
    9,038.78x = 63,120,540.57
  5. Step 5: Solve for x
    x = 63,120,540.57/9,038.78
  6. Step 6: Final answer
    x = 6,983.30

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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.