Home / 10,056.84-15,086.68-4,212.12

Finding the Fourth Proportional to 10,056.84, 15,086.68 and 4,212.12

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Solution

The fourth proportional to 10,056.84, 15,086.68 and 4,212.12 is: 6,318.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,056.84 : 15,086.68 = 4,212.12 : x
  2. Step 2: Convert to fraction form
    10,056.84/15,086.68 = 4,212.12/x
  3. Step 3: Cross multiply
    10,056.84x = 15,086.68 × 4,212.12
  4. Step 4: Simplify right side
    10,056.84x = 63,546,906.56
  5. Step 5: Solve for x
    x = 63,546,906.56/10,056.84
  6. Step 6: Final answer
    x = 6,318.77

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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.