Home / 10,549.08-15,825.12-3,976.80

Finding the Fourth Proportional to 10,549.08, 15,825.12 and 3,976.80

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Solution

The fourth proportional to 10,549.08, 15,825.12 and 3,976.80 is: 5,965.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,549.08 : 15,825.12 = 3,976.80 : x
  2. Step 2: Convert to fraction form
    10,549.08/15,825.12 = 3,976.80/x
  3. Step 3: Cross multiply
    10,549.08x = 15,825.12 × 3,976.80
  4. Step 4: Simplify right side
    10,549.08x = 62,933,337.22
  5. Step 5: Solve for x
    x = 62,933,337.22/10,549.08
  6. Step 6: Final answer
    x = 5,965.77

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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.