Home / 11,482.56-17,221.95-4,085.91

Finding the Fourth Proportional to 11,482.56, 17,221.95 and 4,085.91

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Solution

The fourth proportional to 11,482.56, 17,221.95 and 4,085.91 is: 6,128.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,482.56 : 17,221.95 = 4,085.91 : x
  2. Step 2: Convert to fraction form
    11,482.56/17,221.95 = 4,085.91/x
  3. Step 3: Cross multiply
    11,482.56x = 17,221.95 × 4,085.91
  4. Step 4: Simplify right side
    11,482.56x = 70,367,337.72
  5. Step 5: Solve for x
    x = 70,367,337.72/11,482.56
  6. Step 6: Final answer
    x = 6,128.19

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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.