Home / 11,167.86-16,751.80-5,306.70

Finding the Fourth Proportional to 11,167.86, 16,751.80 and 5,306.70

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Solution

The fourth proportional to 11,167.86, 16,751.80 and 5,306.70 is: 7,960.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.86 : 16,751.80 = 5,306.70 : x
  2. Step 2: Convert to fraction form
    11,167.86/16,751.80 = 5,306.70/x
  3. Step 3: Cross multiply
    11,167.86x = 16,751.80 × 5,306.70
  4. Step 4: Simplify right side
    11,167.86x = 88,896,777.06
  5. Step 5: Solve for x
    x = 88,896,777.06/11,167.86
  6. Step 6: Final answer
    x = 7,960.05

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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.