Home / 11,386.54-17,167.43-11,182.42

Finding the Fourth Proportional to 11,386.54, 17,167.43 and 11,182.42

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Solution

The fourth proportional to 11,386.54, 17,167.43 and 11,182.42 is: 16,859.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.54 : 17,167.43 = 11,182.42 : x
  2. Step 2: Convert to fraction form
    11,386.54/17,167.43 = 11,182.42/x
  3. Step 3: Cross multiply
    11,386.54x = 17,167.43 × 11,182.42
  4. Step 4: Simplify right side
    11,386.54x = 191,973,412.58
  5. Step 5: Solve for x
    x = 191,973,412.58/11,386.54
  6. Step 6: Final answer
    x = 16,859.68

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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.