Home / 11,337.11-16,977.38-7,164.53

Finding the Fourth Proportional to 11,337.11, 16,977.38 and 7,164.53

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Solution

The fourth proportional to 11,337.11, 16,977.38 and 7,164.53 is: 10,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.11 : 16,977.38 = 7,164.53 : x
  2. Step 2: Convert to fraction form
    11,337.11/16,977.38 = 7,164.53/x
  3. Step 3: Cross multiply
    11,337.11x = 16,977.38 × 7,164.53
  4. Step 4: Simplify right side
    11,337.11x = 121,634,827.62
  5. Step 5: Solve for x
    x = 121,634,827.62/11,337.11
  6. Step 6: Final answer
    x = 10,728.91

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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.