Home / 12,441.52-17,169.60-6,776.50

Finding the Fourth Proportional to 12,441.52, 17,169.60 and 6,776.50

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Solution

The fourth proportional to 12,441.52, 17,169.60 and 6,776.50 is: 9,351.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,441.52 : 17,169.60 = 6,776.50 : x
  2. Step 2: Convert to fraction form
    12,441.52/17,169.60 = 6,776.50/x
  3. Step 3: Cross multiply
    12,441.52x = 17,169.60 × 6,776.50
  4. Step 4: Simplify right side
    12,441.52x = 116,349,794.40
  5. Step 5: Solve for x
    x = 116,349,794.40/12,441.52
  6. Step 6: Final answer
    x = 9,351.73

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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.