Home / 10,453.90-15,680.76-2,662.70

Finding the Fourth Proportional to 10,453.90, 15,680.76 and 2,662.70

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Solution

The fourth proportional to 10,453.90, 15,680.76 and 2,662.70 is: 3,994.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,453.90 : 15,680.76 = 2,662.70 : x
  2. Step 2: Convert to fraction form
    10,453.90/15,680.76 = 2,662.70/x
  3. Step 3: Cross multiply
    10,453.90x = 15,680.76 × 2,662.70
  4. Step 4: Simplify right side
    10,453.90x = 41,753,159.65
  5. Step 5: Solve for x
    x = 41,753,159.65/10,453.90
  6. Step 6: Final answer
    x = 3,994.03

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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.