Home / 8,266.74-11,399.34-5,282.70

Finding the Fourth Proportional to 8,266.74, 11,399.34 and 5,282.70

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Solution

The fourth proportional to 8,266.74, 11,399.34 and 5,282.70 is: 7,284.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.74 : 11,399.34 = 5,282.70 : x
  2. Step 2: Convert to fraction form
    8,266.74/11,399.34 = 5,282.70/x
  3. Step 3: Cross multiply
    8,266.74x = 11,399.34 × 5,282.70
  4. Step 4: Simplify right side
    8,266.74x = 60,219,293.42
  5. Step 5: Solve for x
    x = 60,219,293.42/8,266.74
  6. Step 6: Final answer
    x = 7,284.53

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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.