Home / 13,087.13-19,634.29-3,853.13

Finding the Fourth Proportional to 13,087.13, 19,634.29 and 3,853.13

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Solution

The fourth proportional to 13,087.13, 19,634.29 and 3,853.13 is: 5,780.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087.13 : 19,634.29 = 3,853.13 : x
  2. Step 2: Convert to fraction form
    13,087.13/19,634.29 = 3,853.13/x
  3. Step 3: Cross multiply
    13,087.13x = 19,634.29 × 3,853.13
  4. Step 4: Simplify right side
    13,087.13x = 75,653,364.02
  5. Step 5: Solve for x
    x = 75,653,364.02/13,087.13
  6. Step 6: Final answer
    x = 5,780.75

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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.