Home / 7,566.65-11,350.26-3,405.86

Finding the Fourth Proportional to 7,566.65, 11,350.26 and 3,405.86

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Solution

The fourth proportional to 7,566.65, 11,350.26 and 3,405.86 is: 5,108.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,566.65 : 11,350.26 = 3,405.86 : x
  2. Step 2: Convert to fraction form
    7,566.65/11,350.26 = 3,405.86/x
  3. Step 3: Cross multiply
    7,566.65x = 11,350.26 × 3,405.86
  4. Step 4: Simplify right side
    7,566.65x = 38,657,396.52
  5. Step 5: Solve for x
    x = 38,657,396.52/7,566.65
  6. Step 6: Final answer
    x = 5,108.92

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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.