Home / 10,557.57-15,834.20-6,171.69

Finding the Fourth Proportional to 10,557.57, 15,834.20 and 6,171.69

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Solution

The fourth proportional to 10,557.57, 15,834.20 and 6,171.69 is: 9,256.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.57 : 15,834.20 = 6,171.69 : x
  2. Step 2: Convert to fraction form
    10,557.57/15,834.20 = 6,171.69/x
  3. Step 3: Cross multiply
    10,557.57x = 15,834.20 × 6,171.69
  4. Step 4: Simplify right side
    10,557.57x = 97,723,742.94
  5. Step 5: Solve for x
    x = 97,723,742.94/10,557.57
  6. Step 6: Final answer
    x = 9,256.27

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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.