Home / 10,127.05-15,198.36-6,616.11

Finding the Fourth Proportional to 10,127.05, 15,198.36 and 6,616.11

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Solution

The fourth proportional to 10,127.05, 15,198.36 and 6,616.11 is: 9,929.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.05 : 15,198.36 = 6,616.11 : x
  2. Step 2: Convert to fraction form
    10,127.05/15,198.36 = 6,616.11/x
  3. Step 3: Cross multiply
    10,127.05x = 15,198.36 × 6,616.11
  4. Step 4: Simplify right side
    10,127.05x = 100,554,021.58
  5. Step 5: Solve for x
    x = 100,554,021.58/10,127.05
  6. Step 6: Final answer
    x = 9,929.25

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1.5x scale

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.