Home / 10,449.18-15,673.87-2,657.99

Finding the Fourth Proportional to 10,449.18, 15,673.87 and 2,657.99

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Solution

The fourth proportional to 10,449.18, 15,673.87 and 2,657.99 is: 3,987.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.18 : 15,673.87 = 2,657.99 : x
  2. Step 2: Convert to fraction form
    10,449.18/15,673.87 = 2,657.99/x
  3. Step 3: Cross multiply
    10,449.18x = 15,673.87 × 2,657.99
  4. Step 4: Simplify right side
    10,449.18x = 41,660,989.72
  5. Step 5: Solve for x
    x = 41,660,989.72/10,449.18
  6. Step 6: Final answer
    x = 3,987.01

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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.