Home / 8,226.42-11,352.60-4,689.69

Finding the Fourth Proportional to 8,226.42, 11,352.60 and 4,689.69

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Solution

The fourth proportional to 8,226.42, 11,352.60 and 4,689.69 is: 6,471.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.42 : 11,352.60 = 4,689.69 : x
  2. Step 2: Convert to fraction form
    8,226.42/11,352.60 = 4,689.69/x
  3. Step 3: Cross multiply
    8,226.42x = 11,352.60 × 4,689.69
  4. Step 4: Simplify right side
    8,226.42x = 53,240,174.69
  5. Step 5: Solve for x
    x = 53,240,174.69/8,226.42
  6. Step 6: Final answer
    x = 6,471.85

Related Problems

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Half scale
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Double scale
Find fourth proportional to 8,227.42, 11,353.98 and 4,690.69
Similar ratio
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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.