Home / 7,388.35-11,073.28-3,691.62

Finding the Fourth Proportional to 7,388.35, 11,073.28 and 3,691.62

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Solution

The fourth proportional to 7,388.35, 11,073.28 and 3,691.62 is: 5,532.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.35 : 11,073.28 = 3,691.62 : x
  2. Step 2: Convert to fraction form
    7,388.35/11,073.28 = 3,691.62/x
  3. Step 3: Cross multiply
    7,388.35x = 11,073.28 × 3,691.62
  4. Step 4: Simplify right side
    7,388.35x = 40,878,341.91
  5. Step 5: Solve for x
    x = 40,878,341.91/7,388.35
  6. Step 6: Final answer
    x = 5,532.81

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1.5x scale

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.