Home / 11,378.70-17,068.86-3,588.12

Finding the Fourth Proportional to 11,378.70, 17,068.86 and 3,588.12

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Solution

The fourth proportional to 11,378.70, 17,068.86 and 3,588.12 is: 5,382.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.70 : 17,068.86 = 3,588.12 : x
  2. Step 2: Convert to fraction form
    11,378.70/17,068.86 = 3,588.12/x
  3. Step 3: Cross multiply
    11,378.70x = 17,068.86 × 3,588.12
  4. Step 4: Simplify right side
    11,378.70x = 61,245,117.94
  5. Step 5: Solve for x
    x = 61,245,117.94/11,378.70
  6. Step 6: Final answer
    x = 5,382.44

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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.