Home / 12,274.24-16,937.65-7,238.22

Finding the Fourth Proportional to 12,274.24, 16,937.65 and 7,238.22

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Solution

The fourth proportional to 12,274.24, 16,937.65 and 7,238.22 is: 9,988.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274.24 : 16,937.65 = 7,238.22 : x
  2. Step 2: Convert to fraction form
    12,274.24/16,937.65 = 7,238.22/x
  3. Step 3: Cross multiply
    12,274.24x = 16,937.65 × 7,238.22
  4. Step 4: Simplify right side
    12,274.24x = 122,598,436.98
  5. Step 5: Solve for x
    x = 122,598,436.98/12,274.24
  6. Step 6: Final answer
    x = 9,988.27

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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.