Home / 12,224.12-16,872.30-6,922.06

Finding the Fourth Proportional to 12,224.12, 16,872.30 and 6,922.06

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Solution

The fourth proportional to 12,224.12, 16,872.30 and 6,922.06 is: 9,554.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.12 : 16,872.30 = 6,922.06 : x
  2. Step 2: Convert to fraction form
    12,224.12/16,872.30 = 6,922.06/x
  3. Step 3: Cross multiply
    12,224.12x = 16,872.30 × 6,922.06
  4. Step 4: Simplify right side
    12,224.12x = 116,791,030.76
  5. Step 5: Solve for x
    x = 116,791,030.76/12,224.12
  6. Step 6: Final answer
    x = 9,554.15

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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.