Home / 7,220.01-9,960.66-4,862.91

Finding the Fourth Proportional to 7,220.01, 9,960.66 and 4,862.91

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Solution

The fourth proportional to 7,220.01, 9,960.66 and 4,862.91 is: 6,708.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.01 : 9,960.66 = 4,862.91 : x
  2. Step 2: Convert to fraction form
    7,220.01/9,960.66 = 4,862.91/x
  3. Step 3: Cross multiply
    7,220.01x = 9,960.66 × 4,862.91
  4. Step 4: Simplify right side
    7,220.01x = 48,437,793.12
  5. Step 5: Solve for x
    x = 48,437,793.12/7,220.01
  6. Step 6: Final answer
    x = 6,708.83

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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.