Home / 11,226.48-15,492.60-6,511.92

Finding the Fourth Proportional to 11,226.48, 15,492.60 and 6,511.92

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Solution

The fourth proportional to 11,226.48, 15,492.60 and 6,511.92 is: 8,986.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.48 : 15,492.60 = 6,511.92 : x
  2. Step 2: Convert to fraction form
    11,226.48/15,492.60 = 6,511.92/x
  3. Step 3: Cross multiply
    11,226.48x = 15,492.60 × 6,511.92
  4. Step 4: Simplify right side
    11,226.48x = 100,886,571.79
  5. Step 5: Solve for x
    x = 100,886,571.79/11,226.48
  6. Step 6: Final answer
    x = 8,986.48

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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.