Home / 6,766.59-10,153.53-5,122.74

Finding the Fourth Proportional to 6,766.59, 10,153.53 and 5,122.74

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Solution

The fourth proportional to 6,766.59, 10,153.53 and 5,122.74 is: 7,686.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,766.59 : 10,153.53 = 5,122.74 : x
  2. Step 2: Convert to fraction form
    6,766.59/10,153.53 = 5,122.74/x
  3. Step 3: Cross multiply
    6,766.59x = 10,153.53 × 5,122.74
  4. Step 4: Simplify right side
    6,766.59x = 52,013,894.27
  5. Step 5: Solve for x
    x = 52,013,894.27/6,766.59
  6. Step 6: Final answer
    x = 7,686.87

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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.