Home / 12,351.15-17,052.73-9,513.52

Finding the Fourth Proportional to 12,351.15, 17,052.73 and 9,513.52

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Solution

The fourth proportional to 12,351.15, 17,052.73 and 9,513.52 is: 13,134.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.15 : 17,052.73 = 9,513.52 : x
  2. Step 2: Convert to fraction form
    12,351.15/17,052.73 = 9,513.52/x
  3. Step 3: Cross multiply
    12,351.15x = 17,052.73 × 9,513.52
  4. Step 4: Simplify right side
    12,351.15x = 162,231,421.49
  5. Step 5: Solve for x
    x = 162,231,421.49/12,351.15
  6. Step 6: Final answer
    x = 13,134.92

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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.