Home / 11,899.28-17,952.82-11,866.48

Finding the Fourth Proportional to 11,899.28, 17,952.82 and 11,866.48

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Solution

The fourth proportional to 11,899.28, 17,952.82 and 11,866.48 is: 17,903.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,899.28 : 17,952.82 = 11,866.48 : x
  2. Step 2: Convert to fraction form
    11,899.28/17,952.82 = 11,866.48/x
  3. Step 3: Cross multiply
    11,899.28x = 17,952.82 × 11,866.48
  4. Step 4: Simplify right side
    11,899.28x = 213,036,779.47
  5. Step 5: Solve for x
    x = 213,036,779.47/11,899.28
  6. Step 6: Final answer
    x = 17,903.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.