Home / 10,372.92-15,560.34-2,977.08

Finding the Fourth Proportional to 10,372.92, 15,560.34 and 2,977.08

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Solution

The fourth proportional to 10,372.92, 15,560.34 and 2,977.08 is: 4,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.92 : 15,560.34 = 2,977.08 : x
  2. Step 2: Convert to fraction form
    10,372.92/15,560.34 = 2,977.08/x
  3. Step 3: Cross multiply
    10,372.92x = 15,560.34 × 2,977.08
  4. Step 4: Simplify right side
    10,372.92x = 46,324,377.01
  5. Step 5: Solve for x
    x = 46,324,377.01/10,372.92
  6. Step 6: Final answer
    x = 4,465.90

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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.