Home / 10,221.10-15,319.62-5,841.58

Finding the Fourth Proportional to 10,221.10, 15,319.62 and 5,841.58

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Solution

The fourth proportional to 10,221.10, 15,319.62 and 5,841.58 is: 8,755.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221.10 : 15,319.62 = 5,841.58 : x
  2. Step 2: Convert to fraction form
    10,221.10/15,319.62 = 5,841.58/x
  3. Step 3: Cross multiply
    10,221.10x = 15,319.62 × 5,841.58
  4. Step 4: Simplify right side
    10,221.10x = 89,490,785.80
  5. Step 5: Solve for x
    x = 89,490,785.80/10,221.10
  6. Step 6: Final answer
    x = 8,755.49

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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.