Home / 8,525.20-12,712.50-7,489.44

Finding the Fourth Proportional to 8,525.20, 12,712.50 and 7,489.44

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Solution

The fourth proportional to 8,525.20, 12,712.50 and 7,489.44 is: 11,168.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525.20 : 12,712.50 = 7,489.44 : x
  2. Step 2: Convert to fraction form
    8,525.20/12,712.50 = 7,489.44/x
  3. Step 3: Cross multiply
    8,525.20x = 12,712.50 × 7,489.44
  4. Step 4: Simplify right side
    8,525.20x = 95,209,506
  5. Step 5: Solve for x
    x = 95,209,506/8,525.20
  6. Step 6: Final answer
    x = 11,168.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.