Home / 10,944.10-16,416.15-3,151.90

Finding the Fourth Proportional to 10,944.10, 16,416.15 and 3,151.90

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Solution

The fourth proportional to 10,944.10, 16,416.15 and 3,151.90 is: 4,727.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,944.10 : 16,416.15 = 3,151.90 : x
  2. Step 2: Convert to fraction form
    10,944.10/16,416.15 = 3,151.90/x
  3. Step 3: Cross multiply
    10,944.10x = 16,416.15 × 3,151.90
  4. Step 4: Simplify right side
    10,944.10x = 51,742,063.19
  5. Step 5: Solve for x
    x = 51,742,063.19/10,944.10
  6. Step 6: Final answer
    x = 4,727.85

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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.