Home / 12,656.11-17,465.67-7,351.27

Finding the Fourth Proportional to 12,656.11, 17,465.67 and 7,351.27

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Solution

The fourth proportional to 12,656.11, 17,465.67 and 7,351.27 is: 10,144.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,656.11 : 17,465.67 = 7,351.27 : x
  2. Step 2: Convert to fraction form
    12,656.11/17,465.67 = 7,351.27/x
  3. Step 3: Cross multiply
    12,656.11x = 17,465.67 × 7,351.27
  4. Step 4: Simplify right side
    12,656.11x = 128,394,855.90
  5. Step 5: Solve for x
    x = 128,394,855.90/12,656.11
  6. Step 6: Final answer
    x = 10,144.89

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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.