Home / 10,087.35-15,133.46-3,161.85

Finding the Fourth Proportional to 10,087.35, 15,133.46 and 3,161.85

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Solution

The fourth proportional to 10,087.35, 15,133.46 and 3,161.85 is: 4,743.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.35 : 15,133.46 = 3,161.85 : x
  2. Step 2: Convert to fraction form
    10,087.35/15,133.46 = 3,161.85/x
  3. Step 3: Cross multiply
    10,087.35x = 15,133.46 × 3,161.85
  4. Step 4: Simplify right side
    10,087.35x = 47,849,750.97
  5. Step 5: Solve for x
    x = 47,849,750.97/10,087.35
  6. Step 6: Final answer
    x = 4,743.54

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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.