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Finding the Fourth Proportional to 9,012.91, 12,437.84 and 5,034.17

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Solution

The fourth proportional to 9,012.91, 12,437.84 and 5,034.17 is: 6,947.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,012.91 : 12,437.84 = 5,034.17 : x
  2. Step 2: Convert to fraction form
    9,012.91/12,437.84 = 5,034.17/x
  3. Step 3: Cross multiply
    9,012.91x = 12,437.84 × 5,034.17
  4. Step 4: Simplify right side
    9,012.91x = 62,614,113.63
  5. Step 5: Solve for x
    x = 62,614,113.63/9,012.91
  6. Step 6: Final answer
    x = 6,947.16

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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.