Home / 10,074.48-15,108.68-4,229.79

Finding the Fourth Proportional to 10,074.48, 15,108.68 and 4,229.79

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Solution

The fourth proportional to 10,074.48, 15,108.68 and 4,229.79 is: 6,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,074.48 : 15,108.68 = 4,229.79 : x
  2. Step 2: Convert to fraction form
    10,074.48/15,108.68 = 4,229.79/x
  3. Step 3: Cross multiply
    10,074.48x = 15,108.68 × 4,229.79
  4. Step 4: Simplify right side
    10,074.48x = 63,906,473.70
  5. Step 5: Solve for x
    x = 63,906,473.70/10,074.48
  6. Step 6: Final answer
    x = 6,343.40

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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.