Home / 12,226.52-16,872.80-6,637.52

Finding the Fourth Proportional to 12,226.52, 16,872.80 and 6,637.52

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Solution

The fourth proportional to 12,226.52, 16,872.80 and 6,637.52 is: 9,159.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.52 : 16,872.80 = 6,637.52 : x
  2. Step 2: Convert to fraction form
    12,226.52/16,872.80 = 6,637.52/x
  3. Step 3: Cross multiply
    12,226.52x = 16,872.80 × 6,637.52
  4. Step 4: Simplify right side
    12,226.52x = 111,993,547.46
  5. Step 5: Solve for x
    x = 111,993,547.46/12,226.52
  6. Step 6: Final answer
    x = 9,159.89

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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.