Home / 8,226.85-11,353.08-4,690.12

Finding the Fourth Proportional to 8,226.85, 11,353.08 and 4,690.12

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Solution

The fourth proportional to 8,226.85, 11,353.08 and 4,690.12 is: 6,472.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.85 : 11,353.08 = 4,690.12 : x
  2. Step 2: Convert to fraction form
    8,226.85/11,353.08 = 4,690.12/x
  3. Step 3: Cross multiply
    8,226.85x = 11,353.08 × 4,690.12
  4. Step 4: Simplify right side
    8,226.85x = 53,247,307.57
  5. Step 5: Solve for x
    x = 53,247,307.57/8,226.85
  6. Step 6: Final answer
    x = 6,472.38

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Half scale
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Double scale
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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.