Home / 10,999.44-15,178.80-6,283.68

Finding the Fourth Proportional to 10,999.44, 15,178.80 and 6,283.68

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Solution

The fourth proportional to 10,999.44, 15,178.80 and 6,283.68 is: 8,671.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.44 : 15,178.80 = 6,283.68 : x
  2. Step 2: Convert to fraction form
    10,999.44/15,178.80 = 6,283.68/x
  3. Step 3: Cross multiply
    10,999.44x = 15,178.80 × 6,283.68
  4. Step 4: Simplify right side
    10,999.44x = 95,378,721.98
  5. Step 5: Solve for x
    x = 95,378,721.98/10,999.44
  6. Step 6: Final answer
    x = 8,671.23

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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.