Home / 11,242.60-16,864.30-3,451.40

Finding the Fourth Proportional to 11,242.60, 16,864.30 and 3,451.40

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Solution

The fourth proportional to 11,242.60, 16,864.30 and 3,451.40 is: 5,177.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.60 : 16,864.30 = 3,451.40 : x
  2. Step 2: Convert to fraction form
    11,242.60/16,864.30 = 3,451.40/x
  3. Step 3: Cross multiply
    11,242.60x = 16,864.30 × 3,451.40
  4. Step 4: Simplify right side
    11,242.60x = 58,205,445.02
  5. Step 5: Solve for x
    x = 58,205,445.02/11,242.60
  6. Step 6: Final answer
    x = 5,177.22

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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.