Home / 10,471.65-15,707.61-2,680.26

Finding the Fourth Proportional to 10,471.65, 15,707.61 and 2,680.26

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Solution

The fourth proportional to 10,471.65, 15,707.61 and 2,680.26 is: 4,020.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,471.65 : 15,707.61 = 2,680.26 : x
  2. Step 2: Convert to fraction form
    10,471.65/15,707.61 = 2,680.26/x
  3. Step 3: Cross multiply
    10,471.65x = 15,707.61 × 2,680.26
  4. Step 4: Simplify right side
    10,471.65x = 42,100,478.78
  5. Step 5: Solve for x
    x = 42,100,478.78/10,471.65
  6. Step 6: Final answer
    x = 4,020.42

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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.