Home / 11,803.38-17,708.15-4,407.90

Finding the Fourth Proportional to 11,803.38, 17,708.15 and 4,407.90

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Solution

The fourth proportional to 11,803.38, 17,708.15 and 4,407.90 is: 6,613.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803.38 : 17,708.15 = 4,407.90 : x
  2. Step 2: Convert to fraction form
    11,803.38/17,708.15 = 4,407.90/x
  3. Step 3: Cross multiply
    11,803.38x = 17,708.15 × 4,407.90
  4. Step 4: Simplify right side
    11,803.38x = 78,055,732.35
  5. Step 5: Solve for x
    x = 78,055,732.35/11,803.38
  6. Step 6: Final answer
    x = 6,613.00

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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.