Home / 10,949.92-16,427.31-3,158.13

Finding the Fourth Proportional to 10,949.92, 16,427.31 and 3,158.13

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Solution

The fourth proportional to 10,949.92, 16,427.31 and 3,158.13 is: 4,737.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.92 : 16,427.31 = 3,158.13 : x
  2. Step 2: Convert to fraction form
    10,949.92/16,427.31 = 3,158.13/x
  3. Step 3: Cross multiply
    10,949.92x = 16,427.31 × 3,158.13
  4. Step 4: Simplify right side
    10,949.92x = 51,879,580.53
  5. Step 5: Solve for x
    x = 51,879,580.53/10,949.92
  6. Step 6: Final answer
    x = 4,737.90

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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.