Home / 11,701.62-16,148.58-6,396.75

Finding the Fourth Proportional to 11,701.62, 16,148.58 and 6,396.75

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Solution

The fourth proportional to 11,701.62, 16,148.58 and 6,396.75 is: 8,827.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.62 : 16,148.58 = 6,396.75 : x
  2. Step 2: Convert to fraction form
    11,701.62/16,148.58 = 6,396.75/x
  3. Step 3: Cross multiply
    11,701.62x = 16,148.58 × 6,396.75
  4. Step 4: Simplify right side
    11,701.62x = 103,298,429.12
  5. Step 5: Solve for x
    x = 103,298,429.12/11,701.62
  6. Step 6: Final answer
    x = 8,827.70

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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.