Home / 10,924.68-15,072.42-6,386.28

Finding the Fourth Proportional to 10,924.68, 15,072.42 and 6,386.28

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Solution

The fourth proportional to 10,924.68, 15,072.42 and 6,386.28 is: 8,810.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,924.68 : 15,072.42 = 6,386.28 : x
  2. Step 2: Convert to fraction form
    10,924.68/15,072.42 = 6,386.28/x
  3. Step 3: Cross multiply
    10,924.68x = 15,072.42 × 6,386.28
  4. Step 4: Simplify right side
    10,924.68x = 96,256,694.40
  5. Step 5: Solve for x
    x = 96,256,694.40/10,924.68
  6. Step 6: Final answer
    x = 8,810.94

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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.