Home / 10,309.64-15,464.31-2,518.52

Finding the Fourth Proportional to 10,309.64, 15,464.31 and 2,518.52

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Solution

The fourth proportional to 10,309.64, 15,464.31 and 2,518.52 is: 3,777.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309.64 : 15,464.31 = 2,518.52 : x
  2. Step 2: Convert to fraction form
    10,309.64/15,464.31 = 2,518.52/x
  3. Step 3: Cross multiply
    10,309.64x = 15,464.31 × 2,518.52
  4. Step 4: Simplify right side
    10,309.64x = 38,947,096.70
  5. Step 5: Solve for x
    x = 38,947,096.70/10,309.64
  6. Step 6: Final answer
    x = 3,777.74

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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.