Home / 8,125.57-11,211.91-4,589.11

Finding the Fourth Proportional to 8,125.57, 11,211.91 and 4,589.11

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Solution

The fourth proportional to 8,125.57, 11,211.91 and 4,589.11 is: 6,332.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.57 : 11,211.91 = 4,589.11 : x
  2. Step 2: Convert to fraction form
    8,125.57/11,211.91 = 4,589.11/x
  3. Step 3: Cross multiply
    8,125.57x = 11,211.91 × 4,589.11
  4. Step 4: Simplify right side
    8,125.57x = 51,452,688.30
  5. Step 5: Solve for x
    x = 51,452,688.30/8,125.57
  6. Step 6: Final answer
    x = 6,332.19

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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.