Home / 10,626.12-15,939.18-3,231

Finding the Fourth Proportional to 10,626.12, 15,939.18 and 3,231

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Solution

The fourth proportional to 10,626.12, 15,939.18 and 3,231 is: 4,846.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,626.12 : 15,939.18 = 3,231 : x
  2. Step 2: Convert to fraction form
    10,626.12/15,939.18 = 3,231/x
  3. Step 3: Cross multiply
    10,626.12x = 15,939.18 × 3,231
  4. Step 4: Simplify right side
    10,626.12x = 51,499,490.58
  5. Step 5: Solve for x
    x = 51,499,490.58/10,626.12
  6. Step 6: Final answer
    x = 4,846.50

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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.