Home / 12,169.01-18,253.66-4,776.95

Finding the Fourth Proportional to 12,169.01, 18,253.66 and 4,776.95

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Solution

The fourth proportional to 12,169.01, 18,253.66 and 4,776.95 is: 7,165.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169.01 : 18,253.66 = 4,776.95 : x
  2. Step 2: Convert to fraction form
    12,169.01/18,253.66 = 4,776.95/x
  3. Step 3: Cross multiply
    12,169.01x = 18,253.66 × 4,776.95
  4. Step 4: Simplify right side
    12,169.01x = 87,196,821.14
  5. Step 5: Solve for x
    x = 87,196,821.14/12,169.01
  6. Step 6: Final answer
    x = 7,165.48

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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.