Home / 10,231.75-14,115.76-6,453.51

Finding the Fourth Proportional to 10,231.75, 14,115.76 and 6,453.51

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Solution

The fourth proportional to 10,231.75, 14,115.76 and 6,453.51 is: 8,903.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.75 : 14,115.76 = 6,453.51 : x
  2. Step 2: Convert to fraction form
    10,231.75/14,115.76 = 6,453.51/x
  3. Step 3: Cross multiply
    10,231.75x = 14,115.76 × 6,453.51
  4. Step 4: Simplify right side
    10,231.75x = 91,096,198.32
  5. Step 5: Solve for x
    x = 91,096,198.32/10,231.75
  6. Step 6: Final answer
    x = 8,903.29

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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.