Home / 10,744.32-14,823.36-7,020.48

Finding the Fourth Proportional to 10,744.32, 14,823.36 and 7,020.48

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Solution

The fourth proportional to 10,744.32, 14,823.36 and 7,020.48 is: 9,685.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,744.32 : 14,823.36 = 7,020.48 : x
  2. Step 2: Convert to fraction form
    10,744.32/14,823.36 = 7,020.48/x
  3. Step 3: Cross multiply
    10,744.32x = 14,823.36 × 7,020.48
  4. Step 4: Simplify right side
    10,744.32x = 104,067,102.41
  5. Step 5: Solve for x
    x = 104,067,102.41/10,744.32
  6. Step 6: Final answer
    x = 9,685.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.