Home / 11,326.08-16,990.16-4,401.12

Finding the Fourth Proportional to 11,326.08, 16,990.16 and 4,401.12

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Solution

The fourth proportional to 11,326.08, 16,990.16 and 4,401.12 is: 6,602.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.08 : 16,990.16 = 4,401.12 : x
  2. Step 2: Convert to fraction form
    11,326.08/16,990.16 = 4,401.12/x
  3. Step 3: Cross multiply
    11,326.08x = 16,990.16 × 4,401.12
  4. Step 4: Simplify right side
    11,326.08x = 74,775,732.98
  5. Step 5: Solve for x
    x = 74,775,732.98/11,326.08
  6. Step 6: Final answer
    x = 6,602.08

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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.