Home / 9,197.16-12,689.22-5,217.96

Finding the Fourth Proportional to 9,197.16, 12,689.22 and 5,217.96

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Solution

The fourth proportional to 9,197.16, 12,689.22 and 5,217.96 is: 7,199.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,197.16 : 12,689.22 = 5,217.96 : x
  2. Step 2: Convert to fraction form
    9,197.16/12,689.22 = 5,217.96/x
  3. Step 3: Cross multiply
    9,197.16x = 12,689.22 × 5,217.96
  4. Step 4: Simplify right side
    9,197.16x = 66,211,842.39
  5. Step 5: Solve for x
    x = 66,211,842.39/9,197.16
  6. Step 6: Final answer
    x = 7,199.16

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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.