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Finding the Fourth Proportional to 8,951.58, 12,354.66 and 7,457.13

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Solution

The fourth proportional to 8,951.58, 12,354.66 and 7,457.13 is: 10,292.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.58 : 12,354.66 = 7,457.13 : x
  2. Step 2: Convert to fraction form
    8,951.58/12,354.66 = 7,457.13/x
  3. Step 3: Cross multiply
    8,951.58x = 12,354.66 × 7,457.13
  4. Step 4: Simplify right side
    8,951.58x = 92,130,305.73
  5. Step 5: Solve for x
    x = 92,130,305.73/8,951.58
  6. Step 6: Final answer
    x = 10,292.07

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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.