Home / 10,990.32-15,165.24-6,273.36

Finding the Fourth Proportional to 10,990.32, 15,165.24 and 6,273.36

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Solution

The fourth proportional to 10,990.32, 15,165.24 and 6,273.36 is: 8,656.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.32 : 15,165.24 = 6,273.36 : x
  2. Step 2: Convert to fraction form
    10,990.32/15,165.24 = 6,273.36/x
  3. Step 3: Cross multiply
    10,990.32x = 15,165.24 × 6,273.36
  4. Step 4: Simplify right side
    10,990.32x = 95,137,010.01
  5. Step 5: Solve for x
    x = 95,137,010.01/10,990.32
  6. Step 6: Final answer
    x = 8,656.44

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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.