Home / 10,851.37-14,974.88-6,135.75

Finding the Fourth Proportional to 10,851.37, 14,974.88 and 6,135.75

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Solution

The fourth proportional to 10,851.37, 14,974.88 and 6,135.75 is: 8,467.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.37 : 14,974.88 = 6,135.75 : x
  2. Step 2: Convert to fraction form
    10,851.37/14,974.88 = 6,135.75/x
  3. Step 3: Cross multiply
    10,851.37x = 14,974.88 × 6,135.75
  4. Step 4: Simplify right side
    10,851.37x = 91,882,089.28
  5. Step 5: Solve for x
    x = 91,882,089.28/10,851.37
  6. Step 6: Final answer
    x = 8,467.33

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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.