Home / 12,417.60-17,112.24-11,605.44

Finding the Fourth Proportional to 12,417.60, 17,112.24 and 11,605.44

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Solution

The fourth proportional to 12,417.60, 17,112.24 and 11,605.44 is: 15,993.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,417.60 : 17,112.24 = 11,605.44 : x
  2. Step 2: Convert to fraction form
    12,417.60/17,112.24 = 11,605.44/x
  3. Step 3: Cross multiply
    12,417.60x = 17,112.24 × 11,605.44
  4. Step 4: Simplify right side
    12,417.60x = 198,595,074.59
  5. Step 5: Solve for x
    x = 198,595,074.59/12,417.60
  6. Step 6: Final answer
    x = 15,993.03

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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.