Home / 8,281.33-11,428.45-4,504.71

Finding the Fourth Proportional to 8,281.33, 11,428.45 and 4,504.71

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Solution

The fourth proportional to 8,281.33, 11,428.45 and 4,504.71 is: 6,216.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.33 : 11,428.45 = 4,504.71 : x
  2. Step 2: Convert to fraction form
    8,281.33/11,428.45 = 4,504.71/x
  3. Step 3: Cross multiply
    8,281.33x = 11,428.45 × 4,504.71
  4. Step 4: Simplify right side
    8,281.33x = 51,481,841.74
  5. Step 5: Solve for x
    x = 51,481,841.74/8,281.33
  6. Step 6: Final answer
    x = 6,216.61

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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.