Home / 10,470.97-15,707.31-3,895.57

Finding the Fourth Proportional to 10,470.97, 15,707.31 and 3,895.57

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Solution

The fourth proportional to 10,470.97, 15,707.31 and 3,895.57 is: 5,843.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,470.97 : 15,707.31 = 3,895.57 : x
  2. Step 2: Convert to fraction form
    10,470.97/15,707.31 = 3,895.57/x
  3. Step 3: Cross multiply
    10,470.97x = 15,707.31 × 3,895.57
  4. Step 4: Simplify right side
    10,470.97x = 61,188,925.62
  5. Step 5: Solve for x
    x = 61,188,925.62/10,470.97
  6. Step 6: Final answer
    x = 5,843.67

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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.