Home / 8,932.15-12,320.67-5,744.38

Finding the Fourth Proportional to 8,932.15, 12,320.67 and 5,744.38

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Solution

The fourth proportional to 8,932.15, 12,320.67 and 5,744.38 is: 7,923.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932.15 : 12,320.67 = 5,744.38 : x
  2. Step 2: Convert to fraction form
    8,932.15/12,320.67 = 5,744.38/x
  3. Step 3: Cross multiply
    8,932.15x = 12,320.67 × 5,744.38
  4. Step 4: Simplify right side
    8,932.15x = 70,774,610.33
  5. Step 5: Solve for x
    x = 70,774,610.33/8,932.15
  6. Step 6: Final answer
    x = 7,923.58

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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.