Home / 9,174.42-12,660.87-5,195.52

Finding the Fourth Proportional to 9,174.42, 12,660.87 and 5,195.52

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Solution

The fourth proportional to 9,174.42, 12,660.87 and 5,195.52 is: 7,169.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174.42 : 12,660.87 = 5,195.52 : x
  2. Step 2: Convert to fraction form
    9,174.42/12,660.87 = 5,195.52/x
  3. Step 3: Cross multiply
    9,174.42x = 12,660.87 × 5,195.52
  4. Step 4: Simplify right side
    9,174.42x = 65,779,803.30
  5. Step 5: Solve for x
    x = 65,779,803.30/9,174.42
  6. Step 6: Final answer
    x = 7,169.91

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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.