Home / 10,471.21-15,707.42-3,356.08

Finding the Fourth Proportional to 10,471.21, 15,707.42 and 3,356.08

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Solution

The fourth proportional to 10,471.21, 15,707.42 and 3,356.08 is: 5,034.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,471.21 : 15,707.42 = 3,356.08 : x
  2. Step 2: Convert to fraction form
    10,471.21/15,707.42 = 3,356.08/x
  3. Step 3: Cross multiply
    10,471.21x = 15,707.42 × 3,356.08
  4. Step 4: Simplify right side
    10,471.21x = 52,715,314.65
  5. Step 5: Solve for x
    x = 52,715,314.65/10,471.21
  6. Step 6: Final answer
    x = 5,034.31

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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.