Home / 12,342.24-17,032.72-6,753.76

Finding the Fourth Proportional to 12,342.24, 17,032.72 and 6,753.76

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Solution

The fourth proportional to 12,342.24, 17,032.72 and 6,753.76 is: 9,320.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342.24 : 17,032.72 = 6,753.76 : x
  2. Step 2: Convert to fraction form
    12,342.24/17,032.72 = 6,753.76/x
  3. Step 3: Cross multiply
    12,342.24x = 17,032.72 × 6,753.76
  4. Step 4: Simplify right side
    12,342.24x = 115,034,903.03
  5. Step 5: Solve for x
    x = 115,034,903.03/12,342.24
  6. Step 6: Final answer
    x = 9,320.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.