Home / 9,726.24-14,568.48-4,172.36

Finding the Fourth Proportional to 9,726.24, 14,568.48 and 4,172.36

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Solution

The fourth proportional to 9,726.24, 14,568.48 and 4,172.36 is: 6,249.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,726.24 : 14,568.48 = 4,172.36 : x
  2. Step 2: Convert to fraction form
    9,726.24/14,568.48 = 4,172.36/x
  3. Step 3: Cross multiply
    9,726.24x = 14,568.48 × 4,172.36
  4. Step 4: Simplify right side
    9,726.24x = 60,784,943.21
  5. Step 5: Solve for x
    x = 60,784,943.21/9,726.24
  6. Step 6: Final answer
    x = 6,249.58

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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.