Home / 12,263.13-18,397.40-4,471.88

Finding the Fourth Proportional to 12,263.13, 18,397.40 and 4,471.88

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Solution

The fourth proportional to 12,263.13, 18,397.40 and 4,471.88 is: 6,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.13 : 18,397.40 = 4,471.88 : x
  2. Step 2: Convert to fraction form
    12,263.13/18,397.40 = 4,471.88/x
  3. Step 3: Cross multiply
    12,263.13x = 18,397.40 × 4,471.88
  4. Step 4: Simplify right side
    12,263.13x = 82,270,850.77
  5. Step 5: Solve for x
    x = 82,270,850.77/12,263.13
  6. Step 6: Final answer
    x = 6,708.80

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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.