Home / 13,349.04-18,410.42-8,042.74

Finding the Fourth Proportional to 13,349.04, 18,410.42 and 8,042.74

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Solution

The fourth proportional to 13,349.04, 18,410.42 and 8,042.74 is: 11,092.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349.04 : 18,410.42 = 8,042.74 : x
  2. Step 2: Convert to fraction form
    13,349.04/18,410.42 = 8,042.74/x
  3. Step 3: Cross multiply
    13,349.04x = 18,410.42 × 8,042.74
  4. Step 4: Simplify right side
    13,349.04x = 148,070,221.35
  5. Step 5: Solve for x
    x = 148,070,221.35/13,349.04
  6. Step 6: Final answer
    x = 11,092.20

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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.