Home / 10,291.48-15,433.44-3,715.96

Finding the Fourth Proportional to 10,291.48, 15,433.44 and 3,715.96

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Solution

The fourth proportional to 10,291.48, 15,433.44 and 3,715.96 is: 5,572.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.48 : 15,433.44 = 3,715.96 : x
  2. Step 2: Convert to fraction form
    10,291.48/15,433.44 = 3,715.96/x
  3. Step 3: Cross multiply
    10,291.48x = 15,433.44 × 3,715.96
  4. Step 4: Simplify right side
    10,291.48x = 57,350,045.70
  5. Step 5: Solve for x
    x = 57,350,045.70/10,291.48
  6. Step 6: Final answer
    x = 5,572.58

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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.