Home / 10,932.47-15,086.96-6,216.75

Finding the Fourth Proportional to 10,932.47, 15,086.96 and 6,216.75

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Solution

The fourth proportional to 10,932.47, 15,086.96 and 6,216.75 is: 8,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.47 : 15,086.96 = 6,216.75 : x
  2. Step 2: Convert to fraction form
    10,932.47/15,086.96 = 6,216.75/x
  3. Step 3: Cross multiply
    10,932.47x = 15,086.96 × 6,216.75
  4. Step 4: Simplify right side
    10,932.47x = 93,791,850.81
  5. Step 5: Solve for x
    x = 93,791,850.81/10,932.47
  6. Step 6: Final answer
    x = 8,579.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.