Home / 10,108.55-15,162.83-9,452.45

Finding the Fourth Proportional to 10,108.55, 15,162.83 and 9,452.45

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Solution

The fourth proportional to 10,108.55, 15,162.83 and 9,452.45 is: 14,178.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.55 : 15,162.83 = 9,452.45 : x
  2. Step 2: Convert to fraction form
    10,108.55/15,162.83 = 9,452.45/x
  3. Step 3: Cross multiply
    10,108.55x = 15,162.83 × 9,452.45
  4. Step 4: Simplify right side
    10,108.55x = 143,325,845.17
  5. Step 5: Solve for x
    x = 143,325,845.17/10,108.55
  6. Step 6: Final answer
    x = 14,178.68

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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.