Home / 10,243.80-15,362.96-4,399.04

Finding the Fourth Proportional to 10,243.80, 15,362.96 and 4,399.04

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Solution

The fourth proportional to 10,243.80, 15,362.96 and 4,399.04 is: 6,597.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.80 : 15,362.96 = 4,399.04 : x
  2. Step 2: Convert to fraction form
    10,243.80/15,362.96 = 4,399.04/x
  3. Step 3: Cross multiply
    10,243.80x = 15,362.96 × 4,399.04
  4. Step 4: Simplify right side
    10,243.80x = 67,582,291.97
  5. Step 5: Solve for x
    x = 67,582,291.97/10,243.80
  6. Step 6: Final answer
    x = 6,597.38

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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.