Home / 8,281.52-11,428.56-4,555.52

Finding the Fourth Proportional to 8,281.52, 11,428.56 and 4,555.52

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Solution

The fourth proportional to 8,281.52, 11,428.56 and 4,555.52 is: 6,286.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.52 : 11,428.56 = 4,555.52 : x
  2. Step 2: Convert to fraction form
    8,281.52/11,428.56 = 4,555.52/x
  3. Step 3: Cross multiply
    8,281.52x = 11,428.56 × 4,555.52
  4. Step 4: Simplify right side
    8,281.52x = 52,063,033.65
  5. Step 5: Solve for x
    x = 52,063,033.65/8,281.52
  6. Step 6: Final answer
    x = 6,286.65

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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.