Home / 11,133.72-16,700.55-4,559.91

Finding the Fourth Proportional to 11,133.72, 16,700.55 and 4,559.91

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Solution

The fourth proportional to 11,133.72, 16,700.55 and 4,559.91 is: 6,839.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.72 : 16,700.55 = 4,559.91 : x
  2. Step 2: Convert to fraction form
    11,133.72/16,700.55 = 4,559.91/x
  3. Step 3: Cross multiply
    11,133.72x = 16,700.55 × 4,559.91
  4. Step 4: Simplify right side
    11,133.72x = 76,153,004.95
  5. Step 5: Solve for x
    x = 76,153,004.95/11,133.72
  6. Step 6: Final answer
    x = 6,839.85

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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.