Home / 10,232.20-15,342.42-4,965.40

Finding the Fourth Proportional to 10,232.20, 15,342.42 and 4,965.40

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Solution

The fourth proportional to 10,232.20, 15,342.42 and 4,965.40 is: 7,445.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,232.20 : 15,342.42 = 4,965.40 : x
  2. Step 2: Convert to fraction form
    10,232.20/15,342.42 = 4,965.40/x
  3. Step 3: Cross multiply
    10,232.20x = 15,342.42 × 4,965.40
  4. Step 4: Simplify right side
    10,232.20x = 76,181,252.27
  5. Step 5: Solve for x
    x = 76,181,252.27/10,232.20
  6. Step 6: Final answer
    x = 7,445.25

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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.