Home / 10,470.51-15,694.71-3,448.70

Finding the Fourth Proportional to 10,470.51, 15,694.71 and 3,448.70

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Solution

The fourth proportional to 10,470.51, 15,694.71 and 3,448.70 is: 5,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,470.51 : 15,694.71 = 3,448.70 : x
  2. Step 2: Convert to fraction form
    10,470.51/15,694.71 = 3,448.70/x
  3. Step 3: Cross multiply
    10,470.51x = 15,694.71 × 3,448.70
  4. Step 4: Simplify right side
    10,470.51x = 54,126,267.90
  5. Step 5: Solve for x
    x = 54,126,267.90/10,470.51
  6. Step 6: Final answer
    x = 5,169.40

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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.