Home / 10,390.26-15,585.52-3,464.76

Finding the Fourth Proportional to 10,390.26, 15,585.52 and 3,464.76

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Solution

The fourth proportional to 10,390.26, 15,585.52 and 3,464.76 is: 5,197.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.26 : 15,585.52 = 3,464.76 : x
  2. Step 2: Convert to fraction form
    10,390.26/15,585.52 = 3,464.76/x
  3. Step 3: Cross multiply
    10,390.26x = 15,585.52 × 3,464.76
  4. Step 4: Simplify right side
    10,390.26x = 54,000,086.28
  5. Step 5: Solve for x
    x = 54,000,086.28/10,390.26
  6. Step 6: Final answer
    x = 5,197.18

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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.