Home / 10,851.20-14,974.44-6,374.60

Finding the Fourth Proportional to 10,851.20, 14,974.44 and 6,374.60

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Solution

The fourth proportional to 10,851.20, 14,974.44 and 6,374.60 is: 8,796.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.20 : 14,974.44 = 6,374.60 : x
  2. Step 2: Convert to fraction form
    10,851.20/14,974.44 = 6,374.60/x
  3. Step 3: Cross multiply
    10,851.20x = 14,974.44 × 6,374.60
  4. Step 4: Simplify right side
    10,851.20x = 95,456,065.22
  5. Step 5: Solve for x
    x = 95,456,065.22/10,851.20
  6. Step 6: Final answer
    x = 8,796.82

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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.