Home / 10,470.25-15,708.21-3,544.75

Finding the Fourth Proportional to 10,470.25, 15,708.21 and 3,544.75

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Solution

The fourth proportional to 10,470.25, 15,708.21 and 3,544.75 is: 5,318.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,470.25 : 15,708.21 = 3,544.75 : x
  2. Step 2: Convert to fraction form
    10,470.25/15,708.21 = 3,544.75/x
  3. Step 3: Cross multiply
    10,470.25x = 15,708.21 × 3,544.75
  4. Step 4: Simplify right side
    10,470.25x = 55,681,677.40
  5. Step 5: Solve for x
    x = 55,681,677.40/10,470.25
  6. Step 6: Final answer
    x = 5,318.08

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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.