Home / 11,332.95-16,984.63-5,781.61

Finding the Fourth Proportional to 11,332.95, 16,984.63 and 5,781.61

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Solution

The fourth proportional to 11,332.95, 16,984.63 and 5,781.61 is: 8,664.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,332.95 : 16,984.63 = 5,781.61 : x
  2. Step 2: Convert to fraction form
    11,332.95/16,984.63 = 5,781.61/x
  3. Step 3: Cross multiply
    11,332.95x = 16,984.63 × 5,781.61
  4. Step 4: Simplify right side
    11,332.95x = 98,198,506.65
  5. Step 5: Solve for x
    x = 98,198,506.65/11,332.95
  6. Step 6: Final answer
    x = 8,664.87

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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.