Home / 10,346.10-15,519.15-9,222.90

Finding the Fourth Proportional to 10,346.10, 15,519.15 and 9,222.90

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Solution

The fourth proportional to 10,346.10, 15,519.15 and 9,222.90 is: 13,834.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.10 : 15,519.15 = 9,222.90 : x
  2. Step 2: Convert to fraction form
    10,346.10/15,519.15 = 9,222.90/x
  3. Step 3: Cross multiply
    10,346.10x = 15,519.15 × 9,222.90
  4. Step 4: Simplify right side
    10,346.10x = 143,131,568.54
  5. Step 5: Solve for x
    x = 143,131,568.54/10,346.10
  6. Step 6: Final answer
    x = 13,834.35

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Double scale
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Similar ratio
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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.