Home / 10,449.15-15,673.64-2,657.94

Finding the Fourth Proportional to 10,449.15, 15,673.64 and 2,657.94

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Solution

The fourth proportional to 10,449.15, 15,673.64 and 2,657.94 is: 3,986.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.15 : 15,673.64 = 2,657.94 : x
  2. Step 2: Convert to fraction form
    10,449.15/15,673.64 = 2,657.94/x
  3. Step 3: Cross multiply
    10,449.15x = 15,673.64 × 2,657.94
  4. Step 4: Simplify right side
    10,449.15x = 41,659,581.41
  5. Step 5: Solve for x
    x = 41,659,581.41/10,449.15
  6. Step 6: Final answer
    x = 3,986.89

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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.