Home / 10,365.80-15,552.30-4,524.20

Finding the Fourth Proportional to 10,365.80, 15,552.30 and 4,524.20

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Solution

The fourth proportional to 10,365.80, 15,552.30 and 4,524.20 is: 6,787.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.80 : 15,552.30 = 4,524.20 : x
  2. Step 2: Convert to fraction form
    10,365.80/15,552.30 = 4,524.20/x
  3. Step 3: Cross multiply
    10,365.80x = 15,552.30 × 4,524.20
  4. Step 4: Simplify right side
    10,365.80x = 70,361,715.66
  5. Step 5: Solve for x
    x = 70,361,715.66/10,365.80
  6. Step 6: Final answer
    x = 6,787.87

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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.