Home / 11,367.40-17,010.54-7,858.12

Finding the Fourth Proportional to 11,367.40, 17,010.54 and 7,858.12

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Solution

The fourth proportional to 11,367.40, 17,010.54 and 7,858.12 is: 11,759.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,367.40 : 17,010.54 = 7,858.12 : x
  2. Step 2: Convert to fraction form
    11,367.40/17,010.54 = 7,858.12/x
  3. Step 3: Cross multiply
    11,367.40x = 17,010.54 × 7,858.12
  4. Step 4: Simplify right side
    11,367.40x = 133,670,864.58
  5. Step 5: Solve for x
    x = 133,670,864.58/11,367.40
  6. Step 6: Final answer
    x = 11,759.14

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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.