Home / 7,561.12-11,333.85-5,475.91

Finding the Fourth Proportional to 7,561.12, 11,333.85 and 5,475.91

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Solution

The fourth proportional to 7,561.12, 11,333.85 and 5,475.91 is: 8,208.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.12 : 11,333.85 = 5,475.91 : x
  2. Step 2: Convert to fraction form
    7,561.12/11,333.85 = 5,475.91/x
  3. Step 3: Cross multiply
    7,561.12x = 11,333.85 × 5,475.91
  4. Step 4: Simplify right side
    7,561.12x = 62,063,142.55
  5. Step 5: Solve for x
    x = 62,063,142.55/7,561.12
  6. Step 6: Final answer
    x = 8,208.19

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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.