Home / 11,081.88-15,292.30-6,362.84

Finding the Fourth Proportional to 11,081.88, 15,292.30 and 6,362.84

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Solution

The fourth proportional to 11,081.88, 15,292.30 and 6,362.84 is: 8,780.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.88 : 15,292.30 = 6,362.84 : x
  2. Step 2: Convert to fraction form
    11,081.88/15,292.30 = 6,362.84/x
  3. Step 3: Cross multiply
    11,081.88x = 15,292.30 × 6,362.84
  4. Step 4: Simplify right side
    11,081.88x = 97,302,458.13
  5. Step 5: Solve for x
    x = 97,302,458.13/11,081.88
  6. Step 6: Final answer
    x = 8,780.32

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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.