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Finding the Fourth Proportional to 9,060.65, 12,503.73 and 5,082.13

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Solution

The fourth proportional to 9,060.65, 12,503.73 and 5,082.13 is: 7,013.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,060.65 : 12,503.73 = 5,082.13 : x
  2. Step 2: Convert to fraction form
    9,060.65/12,503.73 = 5,082.13/x
  3. Step 3: Cross multiply
    9,060.65x = 12,503.73 × 5,082.13
  4. Step 4: Simplify right side
    9,060.65x = 63,545,581.34
  5. Step 5: Solve for x
    x = 63,545,581.34/9,060.65
  6. Step 6: Final answer
    x = 7,013.36

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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.