Home / 10,042.71-15,063.30-2,647.12

Finding the Fourth Proportional to 10,042.71, 15,063.30 and 2,647.12

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Solution

The fourth proportional to 10,042.71, 15,063.30 and 2,647.12 is: 3,970.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,042.71 : 15,063.30 = 2,647.12 : x
  2. Step 2: Convert to fraction form
    10,042.71/15,063.30 = 2,647.12/x
  3. Step 3: Cross multiply
    10,042.71x = 15,063.30 × 2,647.12
  4. Step 4: Simplify right side
    10,042.71x = 39,874,362.70
  5. Step 5: Solve for x
    x = 39,874,362.70/10,042.71
  6. Step 6: Final answer
    x = 3,970.48

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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.