Home / 10,087.75-15,134.06-3,162.25

Finding the Fourth Proportional to 10,087.75, 15,134.06 and 3,162.25

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Solution

The fourth proportional to 10,087.75, 15,134.06 and 3,162.25 is: 4,744.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.75 : 15,134.06 = 3,162.25 : x
  2. Step 2: Convert to fraction form
    10,087.75/15,134.06 = 3,162.25/x
  3. Step 3: Cross multiply
    10,087.75x = 15,134.06 × 3,162.25
  4. Step 4: Simplify right side
    10,087.75x = 47,857,681.24
  5. Step 5: Solve for x
    x = 47,857,681.24/10,087.75
  6. Step 6: Final answer
    x = 4,744.14

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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.