Home / 10,189.16-15,283.02-2,793.32

Finding the Fourth Proportional to 10,189.16, 15,283.02 and 2,793.32

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Solution

The fourth proportional to 10,189.16, 15,283.02 and 2,793.32 is: 4,189.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,189.16 : 15,283.02 = 2,793.32 : x
  2. Step 2: Convert to fraction form
    10,189.16/15,283.02 = 2,793.32/x
  3. Step 3: Cross multiply
    10,189.16x = 15,283.02 × 2,793.32
  4. Step 4: Simplify right side
    10,189.16x = 42,690,365.43
  5. Step 5: Solve for x
    x = 42,690,365.43/10,189.16
  6. Step 6: Final answer
    x = 4,189.78

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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.