Home / 9,401.26-12,974.16-5,209.24

Finding the Fourth Proportional to 9,401.26, 12,974.16 and 5,209.24

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Solution

The fourth proportional to 9,401.26, 12,974.16 and 5,209.24 is: 7,188.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,401.26 : 12,974.16 = 5,209.24 : x
  2. Step 2: Convert to fraction form
    9,401.26/12,974.16 = 5,209.24/x
  3. Step 3: Cross multiply
    9,401.26x = 12,974.16 × 5,209.24
  4. Step 4: Simplify right side
    9,401.26x = 67,585,513.24
  5. Step 5: Solve for x
    x = 67,585,513.24/9,401.26
  6. Step 6: Final answer
    x = 7,188.98

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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.