Home / 8,266.08-11,406.60-4,908.72

Finding the Fourth Proportional to 8,266.08, 11,406.60 and 4,908.72

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Solution

The fourth proportional to 8,266.08, 11,406.60 and 4,908.72 is: 6,773.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.08 : 11,406.60 = 4,908.72 : x
  2. Step 2: Convert to fraction form
    8,266.08/11,406.60 = 4,908.72/x
  3. Step 3: Cross multiply
    8,266.08x = 11,406.60 × 4,908.72
  4. Step 4: Simplify right side
    8,266.08x = 55,991,805.55
  5. Step 5: Solve for x
    x = 55,991,805.55/8,266.08
  6. Step 6: Final answer
    x = 6,773.68

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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.