Home / 10,186.84-15,282.42-3,166.68

Finding the Fourth Proportional to 10,186.84, 15,282.42 and 3,166.68

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Solution

The fourth proportional to 10,186.84, 15,282.42 and 3,166.68 is: 4,750.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.84 : 15,282.42 = 3,166.68 : x
  2. Step 2: Convert to fraction form
    10,186.84/15,282.42 = 3,166.68/x
  3. Step 3: Cross multiply
    10,186.84x = 15,282.42 × 3,166.68
  4. Step 4: Simplify right side
    10,186.84x = 48,394,533.77
  5. Step 5: Solve for x
    x = 48,394,533.77/10,186.84
  6. Step 6: Final answer
    x = 4,750.69

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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.