Home / 12,368.43-17,091.07-9,005.41

Finding the Fourth Proportional to 12,368.43, 17,091.07 and 9,005.41

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Solution

The fourth proportional to 12,368.43, 17,091.07 and 9,005.41 is: 12,443.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.43 : 17,091.07 = 9,005.41 : x
  2. Step 2: Convert to fraction form
    12,368.43/17,091.07 = 9,005.41/x
  3. Step 3: Cross multiply
    12,368.43x = 17,091.07 × 9,005.41
  4. Step 4: Simplify right side
    12,368.43x = 153,912,092.69
  5. Step 5: Solve for x
    x = 153,912,092.69/12,368.43
  6. Step 6: Final answer
    x = 12,443.95

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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.