Home / 12,297.06-16,972.47-7,517.79

Finding the Fourth Proportional to 12,297.06, 16,972.47 and 7,517.79

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Solution

The fourth proportional to 12,297.06, 16,972.47 and 7,517.79 is: 10,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,297.06 : 16,972.47 = 7,517.79 : x
  2. Step 2: Convert to fraction form
    12,297.06/16,972.47 = 7,517.79/x
  3. Step 3: Cross multiply
    12,297.06x = 16,972.47 × 7,517.79
  4. Step 4: Simplify right side
    12,297.06x = 127,595,465.24
  5. Step 5: Solve for x
    x = 127,595,465.24/12,297.06
  6. Step 6: Final answer
    x = 10,376.10

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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.