Home / 9,169.26-12,652.92-5,190.81

Finding the Fourth Proportional to 9,169.26, 12,652.92 and 5,190.81

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Solution

The fourth proportional to 9,169.26, 12,652.92 and 5,190.81 is: 7,162.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.26 : 12,652.92 = 5,190.81 : x
  2. Step 2: Convert to fraction form
    9,169.26/12,652.92 = 5,190.81/x
  3. Step 3: Cross multiply
    9,169.26x = 12,652.92 × 5,190.81
  4. Step 4: Simplify right side
    9,169.26x = 65,678,903.67
  5. Step 5: Solve for x
    x = 65,678,903.67/9,169.26
  6. Step 6: Final answer
    x = 7,162.94

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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.