Home / 8,384.05-12,575.55-4,677.96

Finding the Fourth Proportional to 8,384.05, 12,575.55 and 4,677.96

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Solution

The fourth proportional to 8,384.05, 12,575.55 and 4,677.96 is: 7,016.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,384.05 : 12,575.55 = 4,677.96 : x
  2. Step 2: Convert to fraction form
    8,384.05/12,575.55 = 4,677.96/x
  3. Step 3: Cross multiply
    8,384.05x = 12,575.55 × 4,677.96
  4. Step 4: Simplify right side
    8,384.05x = 58,827,919.88
  5. Step 5: Solve for x
    x = 58,827,919.88/8,384.05
  6. Step 6: Final answer
    x = 7,016.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.