Home / 8,225.08-11,351.60-4,640.76

Finding the Fourth Proportional to 8,225.08, 11,351.60 and 4,640.76

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Solution

The fourth proportional to 8,225.08, 11,351.60 and 4,640.76 is: 6,404.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.08 : 11,351.60 = 4,640.76 : x
  2. Step 2: Convert to fraction form
    8,225.08/11,351.60 = 4,640.76/x
  3. Step 3: Cross multiply
    8,225.08x = 11,351.60 × 4,640.76
  4. Step 4: Simplify right side
    8,225.08x = 52,680,051.22
  5. Step 5: Solve for x
    x = 52,680,051.22/8,225.08
  6. Step 6: Final answer
    x = 6,404.81

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Half scale
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Double scale
Find fourth proportional to 8,226.08, 11,352.98 and 4,641.76
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.