Home / 11,226.54-15,492.12-6,443.16

Finding the Fourth Proportional to 11,226.54, 15,492.12 and 6,443.16

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Solution

The fourth proportional to 11,226.54, 15,492.12 and 6,443.16 is: 8,891.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.54 : 15,492.12 = 6,443.16 : x
  2. Step 2: Convert to fraction form
    11,226.54/15,492.12 = 6,443.16/x
  3. Step 3: Cross multiply
    11,226.54x = 15,492.12 × 6,443.16
  4. Step 4: Simplify right side
    11,226.54x = 99,818,207.90
  5. Step 5: Solve for x
    x = 99,818,207.90/11,226.54
  6. Step 6: Final answer
    x = 8,891.27

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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.