Home / 7,631.66-11,432.90-5,162.24

Finding the Fourth Proportional to 7,631.66, 11,432.90 and 5,162.24

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Solution

The fourth proportional to 7,631.66, 11,432.90 and 5,162.24 is: 7,733.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.66 : 11,432.90 = 5,162.24 : x
  2. Step 2: Convert to fraction form
    7,631.66/11,432.90 = 5,162.24/x
  3. Step 3: Cross multiply
    7,631.66x = 11,432.90 × 5,162.24
  4. Step 4: Simplify right side
    7,631.66x = 59,019,373.70
  5. Step 5: Solve for x
    x = 59,019,373.70/7,631.66
  6. Step 6: Final answer
    x = 7,733.49

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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.