Home / 10,549.60-15,795.24-5,329.96

Finding the Fourth Proportional to 10,549.60, 15,795.24 and 5,329.96

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Solution

The fourth proportional to 10,549.60, 15,795.24 and 5,329.96 is: 7,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,549.60 : 15,795.24 = 5,329.96 : x
  2. Step 2: Convert to fraction form
    10,549.60/15,795.24 = 5,329.96/x
  3. Step 3: Cross multiply
    10,549.60x = 15,795.24 × 5,329.96
  4. Step 4: Simplify right side
    10,549.60x = 84,187,997.39
  5. Step 5: Solve for x
    x = 84,187,997.39/10,549.60
  6. Step 6: Final answer
    x = 7,980.21

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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.