Home / 12,272.24-16,934.89-7,236.22

Finding the Fourth Proportional to 12,272.24, 16,934.89 and 7,236.22

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Solution

The fourth proportional to 12,272.24, 16,934.89 and 7,236.22 is: 9,985.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.24 : 16,934.89 = 7,236.22 : x
  2. Step 2: Convert to fraction form
    12,272.24/16,934.89 = 7,236.22/x
  3. Step 3: Cross multiply
    12,272.24x = 16,934.89 × 7,236.22
  4. Step 4: Simplify right side
    12,272.24x = 122,544,574.61
  5. Step 5: Solve for x
    x = 122,544,574.61/12,272.24
  6. Step 6: Final answer
    x = 9,985.51

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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.