Home / 8,448.48-12,671.91-3,768.57

Finding the Fourth Proportional to 8,448.48, 12,671.91 and 3,768.57

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Solution

The fourth proportional to 8,448.48, 12,671.91 and 3,768.57 is: 5,652.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.48 : 12,671.91 = 3,768.57 : x
  2. Step 2: Convert to fraction form
    8,448.48/12,671.91 = 3,768.57/x
  3. Step 3: Cross multiply
    8,448.48x = 12,671.91 × 3,768.57
  4. Step 4: Simplify right side
    8,448.48x = 47,754,979.87
  5. Step 5: Solve for x
    x = 47,754,979.87/8,448.48
  6. Step 6: Final answer
    x = 5,652.49

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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.