Home / 11,611.59-17,389.71-6,338.70

Finding the Fourth Proportional to 11,611.59, 17,389.71 and 6,338.70

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Solution

The fourth proportional to 11,611.59, 17,389.71 and 6,338.70 is: 9,492.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611.59 : 17,389.71 = 6,338.70 : x
  2. Step 2: Convert to fraction form
    11,611.59/17,389.71 = 6,338.70/x
  3. Step 3: Cross multiply
    11,611.59x = 17,389.71 × 6,338.70
  4. Step 4: Simplify right side
    11,611.59x = 110,228,154.78
  5. Step 5: Solve for x
    x = 110,228,154.78/11,611.59
  6. Step 6: Final answer
    x = 9,492.94

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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.