Home / 11,184.62-16,778.95-4,607.21

Finding the Fourth Proportional to 11,184.62, 16,778.95 and 4,607.21

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Solution

The fourth proportional to 11,184.62, 16,778.95 and 4,607.21 is: 6,911.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,184.62 : 16,778.95 = 4,607.21 : x
  2. Step 2: Convert to fraction form
    11,184.62/16,778.95 = 4,607.21/x
  3. Step 3: Cross multiply
    11,184.62x = 16,778.95 × 4,607.21
  4. Step 4: Simplify right side
    11,184.62x = 77,304,176.66
  5. Step 5: Solve for x
    x = 77,304,176.66/11,184.62
  6. Step 6: Final answer
    x = 6,911.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.