Home / 7,315.29-10,983.87-6,331.14

Finding the Fourth Proportional to 7,315.29, 10,983.87 and 6,331.14

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Solution

The fourth proportional to 7,315.29, 10,983.87 and 6,331.14 is: 9,506.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.29 : 10,983.87 = 6,331.14 : x
  2. Step 2: Convert to fraction form
    7,315.29/10,983.87 = 6,331.14/x
  3. Step 3: Cross multiply
    7,315.29x = 10,983.87 × 6,331.14
  4. Step 4: Simplify right side
    7,315.29x = 69,540,418.71
  5. Step 5: Solve for x
    x = 69,540,418.71/7,315.29
  6. Step 6: Final answer
    x = 9,506.17

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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.