Home / 7,676.75-10,587.39-4,651.18

Finding the Fourth Proportional to 7,676.75, 10,587.39 and 4,651.18

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Solution

The fourth proportional to 7,676.75, 10,587.39 and 4,651.18 is: 6,414.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,676.75 : 10,587.39 = 4,651.18 : x
  2. Step 2: Convert to fraction form
    7,676.75/10,587.39 = 4,651.18/x
  3. Step 3: Cross multiply
    7,676.75x = 10,587.39 × 4,651.18
  4. Step 4: Simplify right side
    7,676.75x = 49,243,856.62
  5. Step 5: Solve for x
    x = 49,243,856.62/7,676.75
  6. Step 6: Final answer
    x = 6,414.68

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Half scale
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Double scale
Find fourth proportional to 7,677.75, 10,588.77 and 4,652.18
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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.