Home / 11,929.62-16,463.40-6,624.44

Finding the Fourth Proportional to 11,929.62, 16,463.40 and 6,624.44

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Solution

The fourth proportional to 11,929.62, 16,463.40 and 6,624.44 is: 9,142.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.62 : 16,463.40 = 6,624.44 : x
  2. Step 2: Convert to fraction form
    11,929.62/16,463.40 = 6,624.44/x
  3. Step 3: Cross multiply
    11,929.62x = 16,463.40 × 6,624.44
  4. Step 4: Simplify right side
    11,929.62x = 109,060,805.50
  5. Step 5: Solve for x
    x = 109,060,805.50/11,929.62
  6. Step 6: Final answer
    x = 9,142.02

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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.