Home / 11,226.83-15,492.74-6,447.62

Finding the Fourth Proportional to 11,226.83, 15,492.74 and 6,447.62

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Solution

The fourth proportional to 11,226.83, 15,492.74 and 6,447.62 is: 8,897.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.83 : 15,492.74 = 6,447.62 : x
  2. Step 2: Convert to fraction form
    11,226.83/15,492.74 = 6,447.62/x
  3. Step 3: Cross multiply
    11,226.83x = 15,492.74 × 6,447.62
  4. Step 4: Simplify right side
    11,226.83x = 99,891,306.77
  5. Step 5: Solve for x
    x = 99,891,306.77/11,226.83
  6. Step 6: Final answer
    x = 8,897.56

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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.