Home / 10,029.29-13,839.80-5,552.78

Finding the Fourth Proportional to 10,029.29, 13,839.80 and 5,552.78

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Solution

The fourth proportional to 10,029.29, 13,839.80 and 5,552.78 is: 7,662.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,029.29 : 13,839.80 = 5,552.78 : x
  2. Step 2: Convert to fraction form
    10,029.29/13,839.80 = 5,552.78/x
  3. Step 3: Cross multiply
    10,029.29x = 13,839.80 × 5,552.78
  4. Step 4: Simplify right side
    10,029.29x = 76,849,267.68
  5. Step 5: Solve for x
    x = 76,849,267.68/10,029.29
  6. Step 6: Final answer
    x = 7,662.49

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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.