Home / 10,632.24-15,947.28-6,724.80

Finding the Fourth Proportional to 10,632.24, 15,947.28 and 6,724.80

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Solution

The fourth proportional to 10,632.24, 15,947.28 and 6,724.80 is: 10,086.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,632.24 : 15,947.28 = 6,724.80 : x
  2. Step 2: Convert to fraction form
    10,632.24/15,947.28 = 6,724.80/x
  3. Step 3: Cross multiply
    10,632.24x = 15,947.28 × 6,724.80
  4. Step 4: Simplify right side
    10,632.24x = 107,242,268.54
  5. Step 5: Solve for x
    x = 107,242,268.54/10,632.24
  6. Step 6: Final answer
    x = 10,086.52

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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.