Home / 8,836.48-12,190.85-5,694.50

Finding the Fourth Proportional to 8,836.48, 12,190.85 and 5,694.50

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Solution

The fourth proportional to 8,836.48, 12,190.85 and 5,694.50 is: 7,856.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.48 : 12,190.85 = 5,694.50 : x
  2. Step 2: Convert to fraction form
    8,836.48/12,190.85 = 5,694.50/x
  3. Step 3: Cross multiply
    8,836.48x = 12,190.85 × 5,694.50
  4. Step 4: Simplify right side
    8,836.48x = 69,420,795.33
  5. Step 5: Solve for x
    x = 69,420,795.33/8,836.48
  6. Step 6: Final answer
    x = 7,856.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.