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Finding the Fourth Proportional to 9,240.71, 12,748.05 and 6,057.41

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Solution

The fourth proportional to 9,240.71, 12,748.05 and 6,057.41 is: 8,356.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.71 : 12,748.05 = 6,057.41 : x
  2. Step 2: Convert to fraction form
    9,240.71/12,748.05 = 6,057.41/x
  3. Step 3: Cross multiply
    9,240.71x = 12,748.05 × 6,057.41
  4. Step 4: Simplify right side
    9,240.71x = 77,220,101.81
  5. Step 5: Solve for x
    x = 77,220,101.81/9,240.71
  6. Step 6: Final answer
    x = 8,356.52

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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.