Home / 10,380.10-15,569.50-3,359.96

Finding the Fourth Proportional to 10,380.10, 15,569.50 and 3,359.96

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Solution

The fourth proportional to 10,380.10, 15,569.50 and 3,359.96 is: 5,039.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.10 : 15,569.50 = 3,359.96 : x
  2. Step 2: Convert to fraction form
    10,380.10/15,569.50 = 3,359.96/x
  3. Step 3: Cross multiply
    10,380.10x = 15,569.50 × 3,359.96
  4. Step 4: Simplify right side
    10,380.10x = 52,312,827.77
  5. Step 5: Solve for x
    x = 52,312,827.77/10,380.10
  6. Step 6: Final answer
    x = 5,039.73

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.