Home / 9,173.88-12,660.30-5,195.16

Finding the Fourth Proportional to 9,173.88, 12,660.30 and 5,195.16

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Solution

The fourth proportional to 9,173.88, 12,660.30 and 5,195.16 is: 7,169.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,173.88 : 12,660.30 = 5,195.16 : x
  2. Step 2: Convert to fraction form
    9,173.88/12,660.30 = 5,195.16/x
  3. Step 3: Cross multiply
    9,173.88x = 12,660.30 × 5,195.16
  4. Step 4: Simplify right side
    9,173.88x = 65,772,284.15
  5. Step 5: Solve for x
    x = 65,772,284.15/9,173.88
  6. Step 6: Final answer
    x = 7,169.52

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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.