Home / 10,474.93-15,712.39-3,079.45

Finding the Fourth Proportional to 10,474.93, 15,712.39 and 3,079.45

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Solution

The fourth proportional to 10,474.93, 15,712.39 and 3,079.45 is: 4,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,474.93 : 15,712.39 = 3,079.45 : x
  2. Step 2: Convert to fraction form
    10,474.93/15,712.39 = 3,079.45/x
  3. Step 3: Cross multiply
    10,474.93x = 15,712.39 × 3,079.45
  4. Step 4: Simplify right side
    10,474.93x = 48,385,542.88
  5. Step 5: Solve for x
    x = 48,385,542.88/10,474.93
  6. Step 6: Final answer
    x = 4,619.18

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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.