Home / 12,933.78-17,847.50-7,268.08

Finding the Fourth Proportional to 12,933.78, 17,847.50 and 7,268.08

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Solution

The fourth proportional to 12,933.78, 17,847.50 and 7,268.08 is: 10,029.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,933.78 : 17,847.50 = 7,268.08 : x
  2. Step 2: Convert to fraction form
    12,933.78/17,847.50 = 7,268.08/x
  3. Step 3: Cross multiply
    12,933.78x = 17,847.50 × 7,268.08
  4. Step 4: Simplify right side
    12,933.78x = 129,717,057.80
  5. Step 5: Solve for x
    x = 129,717,057.80/12,933.78
  6. Step 6: Final answer
    x = 10,029.32

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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.