Home / 12,475.32-18,710.64-5,360.82

Finding the Fourth Proportional to 12,475.32, 18,710.64 and 5,360.82

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Solution

The fourth proportional to 12,475.32, 18,710.64 and 5,360.82 is: 8,040.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.32 : 18,710.64 = 5,360.82 : x
  2. Step 2: Convert to fraction form
    12,475.32/18,710.64 = 5,360.82/x
  3. Step 3: Cross multiply
    12,475.32x = 18,710.64 × 5,360.82
  4. Step 4: Simplify right side
    12,475.32x = 100,304,373.12
  5. Step 5: Solve for x
    x = 100,304,373.12/12,475.32
  6. Step 6: Final answer
    x = 8,040.22

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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.