Home / 8,625.60-12,937.68-4,461.12

Finding the Fourth Proportional to 8,625.60, 12,937.68 and 4,461.12

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Solution

The fourth proportional to 8,625.60, 12,937.68 and 4,461.12 is: 6,691.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.60 : 12,937.68 = 4,461.12 : x
  2. Step 2: Convert to fraction form
    8,625.60/12,937.68 = 4,461.12/x
  3. Step 3: Cross multiply
    8,625.60x = 12,937.68 × 4,461.12
  4. Step 4: Simplify right side
    8,625.60x = 57,716,543.00
  5. Step 5: Solve for x
    x = 57,716,543.00/8,625.60
  6. Step 6: Final answer
    x = 6,691.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.