Home / 8,266.17-11,401.66-5,280.68

Finding the Fourth Proportional to 8,266.17, 11,401.66 and 5,280.68

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Solution

The fourth proportional to 8,266.17, 11,401.66 and 5,280.68 is: 7,283.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.17 : 11,401.66 = 5,280.68 : x
  2. Step 2: Convert to fraction form
    8,266.17/11,401.66 = 5,280.68/x
  3. Step 3: Cross multiply
    8,266.17x = 11,401.66 × 5,280.68
  4. Step 4: Simplify right side
    8,266.17x = 60,208,517.93
  5. Step 5: Solve for x
    x = 60,208,517.93/8,266.17
  6. Step 6: Final answer
    x = 7,283.73

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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.