Home / 12,401.45-18,595.17-4,079.22

Finding the Fourth Proportional to 12,401.45, 18,595.17 and 4,079.22

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Solution

The fourth proportional to 12,401.45, 18,595.17 and 4,079.22 is: 6,116.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,401.45 : 18,595.17 = 4,079.22 : x
  2. Step 2: Convert to fraction form
    12,401.45/18,595.17 = 4,079.22/x
  3. Step 3: Cross multiply
    12,401.45x = 18,595.17 × 4,079.22
  4. Step 4: Simplify right side
    12,401.45x = 75,853,696.39
  5. Step 5: Solve for x
    x = 75,853,696.39/12,401.45
  6. Step 6: Final answer
    x = 6,116.52

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1.5x scale

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.