Home / 12,267.19-16,928.72-6,678.19

Finding the Fourth Proportional to 12,267.19, 16,928.72 and 6,678.19

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Solution

The fourth proportional to 12,267.19, 16,928.72 and 6,678.19 is: 9,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,267.19 : 16,928.72 = 6,678.19 : x
  2. Step 2: Convert to fraction form
    12,267.19/16,928.72 = 6,678.19/x
  3. Step 3: Cross multiply
    12,267.19x = 16,928.72 × 6,678.19
  4. Step 4: Simplify right side
    12,267.19x = 113,053,182.99
  5. Step 5: Solve for x
    x = 113,053,182.99/12,267.19
  6. Step 6: Final answer
    x = 9,215.90

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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.