Home / 12,327.20-17,011.14-7,023.32

Finding the Fourth Proportional to 12,327.20, 17,011.14 and 7,023.32

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Solution

The fourth proportional to 12,327.20, 17,011.14 and 7,023.32 is: 9,691.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327.20 : 17,011.14 = 7,023.32 : x
  2. Step 2: Convert to fraction form
    12,327.20/17,011.14 = 7,023.32/x
  3. Step 3: Cross multiply
    12,327.20x = 17,011.14 × 7,023.32
  4. Step 4: Simplify right side
    12,327.20x = 119,474,679.78
  5. Step 5: Solve for x
    x = 119,474,679.78/12,327.20
  6. Step 6: Final answer
    x = 9,691.96

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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.