Home / 12,673.44-17,464.68-9,129.96

Finding the Fourth Proportional to 12,673.44, 17,464.68 and 9,129.96

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Solution

The fourth proportional to 12,673.44, 17,464.68 and 9,129.96 is: 12,581.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673.44 : 17,464.68 = 9,129.96 : x
  2. Step 2: Convert to fraction form
    12,673.44/17,464.68 = 9,129.96/x
  3. Step 3: Cross multiply
    12,673.44x = 17,464.68 × 9,129.96
  4. Step 4: Simplify right side
    12,673.44x = 159,451,829.81
  5. Step 5: Solve for x
    x = 159,451,829.81/12,673.44
  6. Step 6: Final answer
    x = 12,581.57

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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.