Home / 10,243.44-14,135.76-5,767.56

Finding the Fourth Proportional to 10,243.44, 14,135.76 and 5,767.56

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Solution

The fourth proportional to 10,243.44, 14,135.76 and 5,767.56 is: 7,959.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.44 : 14,135.76 = 5,767.56 : x
  2. Step 2: Convert to fraction form
    10,243.44/14,135.76 = 5,767.56/x
  3. Step 3: Cross multiply
    10,243.44x = 14,135.76 × 5,767.56
  4. Step 4: Simplify right side
    10,243.44x = 81,528,843.95
  5. Step 5: Solve for x
    x = 81,528,843.95/10,243.44
  6. Step 6: Final answer
    x = 7,959.13

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1.5x scale

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.