Home / 12,847.08-19,266.84-5,447.46

Finding the Fourth Proportional to 12,847.08, 19,266.84 and 5,447.46

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Solution

The fourth proportional to 12,847.08, 19,266.84 and 5,447.46 is: 8,169.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847.08 : 19,266.84 = 5,447.46 : x
  2. Step 2: Convert to fraction form
    12,847.08/19,266.84 = 5,447.46/x
  3. Step 3: Cross multiply
    12,847.08x = 19,266.84 × 5,447.46
  4. Step 4: Simplify right side
    12,847.08x = 104,955,340.23
  5. Step 5: Solve for x
    x = 104,955,340.23/12,847.08
  6. Step 6: Final answer
    x = 8,169.59

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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.