Home / 10,655.40-15,976.44-3,257.40

Finding the Fourth Proportional to 10,655.40, 15,976.44 and 3,257.40

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Solution

The fourth proportional to 10,655.40, 15,976.44 and 3,257.40 is: 4,884.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.40 : 15,976.44 = 3,257.40 : x
  2. Step 2: Convert to fraction form
    10,655.40/15,976.44 = 3,257.40/x
  3. Step 3: Cross multiply
    10,655.40x = 15,976.44 × 3,257.40
  4. Step 4: Simplify right side
    10,655.40x = 52,041,655.66
  5. Step 5: Solve for x
    x = 52,041,655.66/10,655.40
  6. Step 6: Final answer
    x = 4,884.06

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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.