Home / 10,508.24-15,760.80-3,933.20

Finding the Fourth Proportional to 10,508.24, 15,760.80 and 3,933.20

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Solution

The fourth proportional to 10,508.24, 15,760.80 and 3,933.20 is: 5,899.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,508.24 : 15,760.80 = 3,933.20 : x
  2. Step 2: Convert to fraction form
    10,508.24/15,760.80 = 3,933.20/x
  3. Step 3: Cross multiply
    10,508.24x = 15,760.80 × 3,933.20
  4. Step 4: Simplify right side
    10,508.24x = 61,990,378.56
  5. Step 5: Solve for x
    x = 61,990,378.56/10,508.24
  6. Step 6: Final answer
    x = 5,899.22

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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.