Home / 10,216.56-15,323.68-3,551.78

Finding the Fourth Proportional to 10,216.56, 15,323.68 and 3,551.78

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Solution

The fourth proportional to 10,216.56, 15,323.68 and 3,551.78 is: 5,327.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,216.56 : 15,323.68 = 3,551.78 : x
  2. Step 2: Convert to fraction form
    10,216.56/15,323.68 = 3,551.78/x
  3. Step 3: Cross multiply
    10,216.56x = 15,323.68 × 3,551.78
  4. Step 4: Simplify right side
    10,216.56x = 54,426,382.90
  5. Step 5: Solve for x
    x = 54,426,382.90/10,216.56
  6. Step 6: Final answer
    x = 5,327.27

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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.