Home / 11,378.95-17,066.80-3,586.75

Finding the Fourth Proportional to 11,378.95, 17,066.80 and 3,586.75

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Solution

The fourth proportional to 11,378.95, 17,066.80 and 3,586.75 is: 5,379.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.95 : 17,066.80 = 3,586.75 : x
  2. Step 2: Convert to fraction form
    11,378.95/17,066.80 = 3,586.75/x
  3. Step 3: Cross multiply
    11,378.95x = 17,066.80 × 3,586.75
  4. Step 4: Simplify right side
    11,378.95x = 61,214,344.90
  5. Step 5: Solve for x
    x = 61,214,344.90/11,378.95
  6. Step 6: Final answer
    x = 5,379.61

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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.