Home / 11,332.32-17,005.12-4,758

Finding the Fourth Proportional to 11,332.32, 17,005.12 and 4,758

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Solution

The fourth proportional to 11,332.32, 17,005.12 and 4,758 is: 7,139.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,332.32 : 17,005.12 = 4,758 : x
  2. Step 2: Convert to fraction form
    11,332.32/17,005.12 = 4,758/x
  3. Step 3: Cross multiply
    11,332.32x = 17,005.12 × 4,758
  4. Step 4: Simplify right side
    11,332.32x = 80,910,360.96
  5. Step 5: Solve for x
    x = 80,910,360.96/11,332.32
  6. Step 6: Final answer
    x = 7,139.79

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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.