Home / 17,087.46-25,631.95-5,240.36

Finding the Fourth Proportional to 17,087.46, 25,631.95 and 5,240.36

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Solution

The fourth proportional to 17,087.46, 25,631.95 and 5,240.36 is: 7,860.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,087.46 : 25,631.95 = 5,240.36 : x
  2. Step 2: Convert to fraction form
    17,087.46/25,631.95 = 5,240.36/x
  3. Step 3: Cross multiply
    17,087.46x = 25,631.95 × 5,240.36
  4. Step 4: Simplify right side
    17,087.46x = 134,320,645.50
  5. Step 5: Solve for x
    x = 134,320,645.50/17,087.46
  6. Step 6: Final answer
    x = 7,860.77

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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.