Home / 8,448.37-11,658.56-4,671.69

Finding the Fourth Proportional to 8,448.37, 11,658.56 and 4,671.69

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Solution

The fourth proportional to 8,448.37, 11,658.56 and 4,671.69 is: 6,446.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.37 : 11,658.56 = 4,671.69 : x
  2. Step 2: Convert to fraction form
    8,448.37/11,658.56 = 4,671.69/x
  3. Step 3: Cross multiply
    8,448.37x = 11,658.56 × 4,671.69
  4. Step 4: Simplify right side
    8,448.37x = 54,465,189.85
  5. Step 5: Solve for x
    x = 54,465,189.85/8,448.37
  6. Step 6: Final answer
    x = 6,446.83

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Half scale
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Double scale
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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.