Home / 11,401.16-17,107.61-8,626.91

Finding the Fourth Proportional to 11,401.16, 17,107.61 and 8,626.91

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Solution

The fourth proportional to 11,401.16, 17,107.61 and 8,626.91 is: 12,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,401.16 : 17,107.61 = 8,626.91 : x
  2. Step 2: Convert to fraction form
    11,401.16/17,107.61 = 8,626.91/x
  3. Step 3: Cross multiply
    11,401.16x = 17,107.61 × 8,626.91
  4. Step 4: Simplify right side
    11,401.16x = 147,585,683.11
  5. Step 5: Solve for x
    x = 147,585,683.11/11,401.16
  6. Step 6: Final answer
    x = 12,944.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.