Home / 8,227.80-11,355.66-5,240.52

Finding the Fourth Proportional to 8,227.80, 11,355.66 and 5,240.52

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Solution

The fourth proportional to 8,227.80, 11,355.66 and 5,240.52 is: 7,232.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,227.80 : 11,355.66 = 5,240.52 : x
  2. Step 2: Convert to fraction form
    8,227.80/11,355.66 = 5,240.52/x
  3. Step 3: Cross multiply
    8,227.80x = 11,355.66 × 5,240.52
  4. Step 4: Simplify right side
    8,227.80x = 59,509,563.34
  5. Step 5: Solve for x
    x = 59,509,563.34/8,227.80
  6. Step 6: Final answer
    x = 7,232.74

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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.