Home / 11,118.80-16,665.24-6,492.08

Finding the Fourth Proportional to 11,118.80, 16,665.24 and 6,492.08

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Solution

The fourth proportional to 11,118.80, 16,665.24 and 6,492.08 is: 9,730.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.80 : 16,665.24 = 6,492.08 : x
  2. Step 2: Convert to fraction form
    11,118.80/16,665.24 = 6,492.08/x
  3. Step 3: Cross multiply
    11,118.80x = 16,665.24 × 6,492.08
  4. Step 4: Simplify right side
    11,118.80x = 108,192,071.30
  5. Step 5: Solve for x
    x = 108,192,071.30/11,118.80
  6. Step 6: Final answer
    x = 9,730.55

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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.