Home / 12,226.23-16,872.60-6,920.94

Finding the Fourth Proportional to 12,226.23, 16,872.60 and 6,920.94

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Solution

The fourth proportional to 12,226.23, 16,872.60 and 6,920.94 is: 9,551.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.23 : 16,872.60 = 6,920.94 : x
  2. Step 2: Convert to fraction form
    12,226.23/16,872.60 = 6,920.94/x
  3. Step 3: Cross multiply
    12,226.23x = 16,872.60 × 6,920.94
  4. Step 4: Simplify right side
    12,226.23x = 116,774,252.24
  5. Step 5: Solve for x
    x = 116,774,252.24/12,226.23
  6. Step 6: Final answer
    x = 9,551.13

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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.