Home / 10,169.08-15,259.39-5,489.03

Finding the Fourth Proportional to 10,169.08, 15,259.39 and 5,489.03

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Solution

The fourth proportional to 10,169.08, 15,259.39 and 5,489.03 is: 8,236.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169.08 : 15,259.39 = 5,489.03 : x
  2. Step 2: Convert to fraction form
    10,169.08/15,259.39 = 5,489.03/x
  3. Step 3: Cross multiply
    10,169.08x = 15,259.39 × 5,489.03
  4. Step 4: Simplify right side
    10,169.08x = 83,759,273.92
  5. Step 5: Solve for x
    x = 83,759,273.92/10,169.08
  6. Step 6: Final answer
    x = 8,236.66

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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.