Home / 8,770.72-13,149.36-3,573.28

Finding the Fourth Proportional to 8,770.72, 13,149.36 and 3,573.28

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Solution

The fourth proportional to 8,770.72, 13,149.36 and 3,573.28 is: 5,357.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.72 : 13,149.36 = 3,573.28 : x
  2. Step 2: Convert to fraction form
    8,770.72/13,149.36 = 3,573.28/x
  3. Step 3: Cross multiply
    8,770.72x = 13,149.36 × 3,573.28
  4. Step 4: Simplify right side
    8,770.72x = 46,986,345.10
  5. Step 5: Solve for x
    x = 46,986,345.10/8,770.72
  6. Step 6: Final answer
    x = 5,357.18

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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.