Home / 12,222.84-16,867.40-6,917.52

Finding the Fourth Proportional to 12,222.84, 16,867.40 and 6,917.52

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Solution

The fourth proportional to 12,222.84, 16,867.40 and 6,917.52 is: 9,546.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222.84 : 16,867.40 = 6,917.52 : x
  2. Step 2: Convert to fraction form
    12,222.84/16,867.40 = 6,917.52/x
  3. Step 3: Cross multiply
    12,222.84x = 16,867.40 × 6,917.52
  4. Step 4: Simplify right side
    12,222.84x = 116,680,576.85
  5. Step 5: Solve for x
    x = 116,680,576.85/12,222.84
  6. Step 6: Final answer
    x = 9,546.11

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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.