Home / 12,867.12-19,294.74-5,467.64

Finding the Fourth Proportional to 12,867.12, 19,294.74 and 5,467.64

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Solution

The fourth proportional to 12,867.12, 19,294.74 and 5,467.64 is: 8,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867.12 : 19,294.74 = 5,467.64 : x
  2. Step 2: Convert to fraction form
    12,867.12/19,294.74 = 5,467.64/x
  3. Step 3: Cross multiply
    12,867.12x = 19,294.74 × 5,467.64
  4. Step 4: Simplify right side
    12,867.12x = 105,496,595.74
  5. Step 5: Solve for x
    x = 105,496,595.74/12,867.12
  6. Step 6: Final answer
    x = 8,198.93

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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.