Home / 6,922.13-10,391.90-5,766.17

Finding the Fourth Proportional to 6,922.13, 10,391.90 and 5,766.17

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Solution

The fourth proportional to 6,922.13, 10,391.90 and 5,766.17 is: 8,656.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.13 : 10,391.90 = 5,766.17 : x
  2. Step 2: Convert to fraction form
    6,922.13/10,391.90 = 5,766.17/x
  3. Step 3: Cross multiply
    6,922.13x = 10,391.90 × 5,766.17
  4. Step 4: Simplify right side
    6,922.13x = 59,921,381.23
  5. Step 5: Solve for x
    x = 59,921,381.23/6,922.13
  6. Step 6: Final answer
    x = 8,656.50

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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.