Home / 8,459.89-11,675.87-4,874.15

Finding the Fourth Proportional to 8,459.89, 11,675.87 and 4,874.15

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Solution

The fourth proportional to 8,459.89, 11,675.87 and 4,874.15 is: 6,727.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,459.89 : 11,675.87 = 4,874.15 : x
  2. Step 2: Convert to fraction form
    8,459.89/11,675.87 = 4,874.15/x
  3. Step 3: Cross multiply
    8,459.89x = 11,675.87 × 4,874.15
  4. Step 4: Simplify right side
    8,459.89x = 56,909,883.38
  5. Step 5: Solve for x
    x = 56,909,883.38/8,459.89
  6. Step 6: Final answer
    x = 6,727.03

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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.