Home / 12,325.14-16,998.75-7,847.46

Finding the Fourth Proportional to 12,325.14, 16,998.75 and 7,847.46

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Solution

The fourth proportional to 12,325.14, 16,998.75 and 7,847.46 is: 10,823.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.14 : 16,998.75 = 7,847.46 : x
  2. Step 2: Convert to fraction form
    12,325.14/16,998.75 = 7,847.46/x
  3. Step 3: Cross multiply
    12,325.14x = 16,998.75 × 7,847.46
  4. Step 4: Simplify right side
    12,325.14x = 133,397,010.68
  5. Step 5: Solve for x
    x = 133,397,010.68/12,325.14
  6. Step 6: Final answer
    x = 10,823.16

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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.