Home / 11,226.83-15,492.69-6,191.05

Finding the Fourth Proportional to 11,226.83, 15,492.69 and 6,191.05

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Solution

The fourth proportional to 11,226.83, 15,492.69 and 6,191.05 is: 8,543.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.83 : 15,492.69 = 6,191.05 : x
  2. Step 2: Convert to fraction form
    11,226.83/15,492.69 = 6,191.05/x
  3. Step 3: Cross multiply
    11,226.83x = 15,492.69 × 6,191.05
  4. Step 4: Simplify right side
    11,226.83x = 95,915,979.69
  5. Step 5: Solve for x
    x = 95,915,979.69/11,226.83
  6. Step 6: Final answer
    x = 8,543.46

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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.