Home / 12,249.12-16,903.44-7,532.64

Finding the Fourth Proportional to 12,249.12, 16,903.44 and 7,532.64

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Solution

The fourth proportional to 12,249.12, 16,903.44 and 7,532.64 is: 10,394.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.12 : 16,903.44 = 7,532.64 : x
  2. Step 2: Convert to fraction form
    12,249.12/16,903.44 = 7,532.64/x
  3. Step 3: Cross multiply
    12,249.12x = 16,903.44 × 7,532.64
  4. Step 4: Simplify right side
    12,249.12x = 127,327,528.28
  5. Step 5: Solve for x
    x = 127,327,528.28/12,249.12
  6. Step 6: Final answer
    x = 10,394.83

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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.