Home / 7,515.66-11,263.88-3,566.90

Finding the Fourth Proportional to 7,515.66, 11,263.88 and 3,566.90

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Solution

The fourth proportional to 7,515.66, 11,263.88 and 3,566.90 is: 5,345.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.66 : 11,263.88 = 3,566.90 : x
  2. Step 2: Convert to fraction form
    7,515.66/11,263.88 = 3,566.90/x
  3. Step 3: Cross multiply
    7,515.66x = 11,263.88 × 3,566.90
  4. Step 4: Simplify right side
    7,515.66x = 40,177,133.57
  5. Step 5: Solve for x
    x = 40,177,133.57/7,515.66
  6. Step 6: Final answer
    x = 5,345.79

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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.