Home / 10,453.80-15,653.97-5,768.61

Finding the Fourth Proportional to 10,453.80, 15,653.97 and 5,768.61

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Solution

The fourth proportional to 10,453.80, 15,653.97 and 5,768.61 is: 8,638.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,453.80 : 15,653.97 = 5,768.61 : x
  2. Step 2: Convert to fraction form
    10,453.80/15,653.97 = 5,768.61/x
  3. Step 3: Cross multiply
    10,453.80x = 15,653.97 × 5,768.61
  4. Step 4: Simplify right side
    10,453.80x = 90,301,637.83
  5. Step 5: Solve for x
    x = 90,301,637.83/10,453.80
  6. Step 6: Final answer
    x = 8,638.16

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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.