Home / 12,401.67-18,613.14-5,011.44

Finding the Fourth Proportional to 12,401.67, 18,613.14 and 5,011.44

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Solution

The fourth proportional to 12,401.67, 18,613.14 and 5,011.44 is: 7,521.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,401.67 : 18,613.14 = 5,011.44 : x
  2. Step 2: Convert to fraction form
    12,401.67/18,613.14 = 5,011.44/x
  3. Step 3: Cross multiply
    12,401.67x = 18,613.14 × 5,011.44
  4. Step 4: Simplify right side
    12,401.67x = 93,278,573.92
  5. Step 5: Solve for x
    x = 93,278,573.92/12,401.67
  6. Step 6: Final answer
    x = 7,521.45

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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.