Home / 9,174.06-12,661.02-5,195.43

Finding the Fourth Proportional to 9,174.06, 12,661.02 and 5,195.43

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Solution

The fourth proportional to 9,174.06, 12,661.02 and 5,195.43 is: 7,170.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174.06 : 12,661.02 = 5,195.43 : x
  2. Step 2: Convert to fraction form
    9,174.06/12,661.02 = 5,195.43/x
  3. Step 3: Cross multiply
    9,174.06x = 12,661.02 × 5,195.43
  4. Step 4: Simplify right side
    9,174.06x = 65,779,443.14
  5. Step 5: Solve for x
    x = 65,779,443.14/9,174.06
  6. Step 6: Final answer
    x = 7,170.16

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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.