Home / 7,751.18-10,689.27-5,233.70

Finding the Fourth Proportional to 7,751.18, 10,689.27 and 5,233.70

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Solution

The fourth proportional to 7,751.18, 10,689.27 and 5,233.70 is: 7,217.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.18 : 10,689.27 = 5,233.70 : x
  2. Step 2: Convert to fraction form
    7,751.18/10,689.27 = 5,233.70/x
  3. Step 3: Cross multiply
    7,751.18x = 10,689.27 × 5,233.70
  4. Step 4: Simplify right side
    7,751.18x = 55,944,432.40
  5. Step 5: Solve for x
    x = 55,944,432.40/7,751.18
  6. Step 6: Final answer
    x = 7,217.54

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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.