Home / 10,201.24-15,306.18-5,578.84

Finding the Fourth Proportional to 10,201.24, 15,306.18 and 5,578.84

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Solution

The fourth proportional to 10,201.24, 15,306.18 and 5,578.84 is: 8,370.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,201.24 : 15,306.18 = 5,578.84 : x
  2. Step 2: Convert to fraction form
    10,201.24/15,306.18 = 5,578.84/x
  3. Step 3: Cross multiply
    10,201.24x = 15,306.18 × 5,578.84
  4. Step 4: Simplify right side
    10,201.24x = 85,390,729.23
  5. Step 5: Solve for x
    x = 85,390,729.23/10,201.24
  6. Step 6: Final answer
    x = 8,370.62

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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.