Home / 9,173.92-12,660.18-5,195.02

Finding the Fourth Proportional to 9,173.92, 12,660.18 and 5,195.02

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Solution

The fourth proportional to 9,173.92, 12,660.18 and 5,195.02 is: 7,169.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,173.92 : 12,660.18 = 5,195.02 : x
  2. Step 2: Convert to fraction form
    9,173.92/12,660.18 = 5,195.02/x
  3. Step 3: Cross multiply
    9,173.92x = 12,660.18 × 5,195.02
  4. Step 4: Simplify right side
    9,173.92x = 65,769,888.30
  5. Step 5: Solve for x
    x = 65,769,888.30/9,173.92
  6. Step 6: Final answer
    x = 7,169.22

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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.