Home / 7,515.71-11,273.56-3,354.70

Finding the Fourth Proportional to 7,515.71, 11,273.56 and 3,354.70

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Solution

The fourth proportional to 7,515.71, 11,273.56 and 3,354.70 is: 5,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.71 : 11,273.56 = 3,354.70 : x
  2. Step 2: Convert to fraction form
    7,515.71/11,273.56 = 3,354.70/x
  3. Step 3: Cross multiply
    7,515.71x = 11,273.56 × 3,354.70
  4. Step 4: Simplify right side
    7,515.71x = 37,819,411.73
  5. Step 5: Solve for x
    x = 37,819,411.73/7,515.71
  6. Step 6: Final answer
    x = 5,032.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.