Home / 11,126.62-15,355.02-6,091.12

Finding the Fourth Proportional to 11,126.62, 15,355.02 and 6,091.12

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Solution

The fourth proportional to 11,126.62, 15,355.02 and 6,091.12 is: 8,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.62 : 15,355.02 = 6,091.12 : x
  2. Step 2: Convert to fraction form
    11,126.62/15,355.02 = 6,091.12/x
  3. Step 3: Cross multiply
    11,126.62x = 15,355.02 × 6,091.12
  4. Step 4: Simplify right side
    11,126.62x = 93,529,269.42
  5. Step 5: Solve for x
    x = 93,529,269.42/11,126.62
  6. Step 6: Final answer
    x = 8,405.90

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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.