Home / 10,149.12-15,223.34-3,575.13

Finding the Fourth Proportional to 10,149.12, 15,223.34 and 3,575.13

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Solution

The fourth proportional to 10,149.12, 15,223.34 and 3,575.13 is: 5,362.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149.12 : 15,223.34 = 3,575.13 : x
  2. Step 2: Convert to fraction form
    10,149.12/15,223.34 = 3,575.13/x
  3. Step 3: Cross multiply
    10,149.12x = 15,223.34 × 3,575.13
  4. Step 4: Simplify right side
    10,149.12x = 54,425,439.72
  5. Step 5: Solve for x
    x = 54,425,439.72/10,149.12
  6. Step 6: Final answer
    x = 5,362.58

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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.