Home / 8,977.86-12,384.99-5,997.69

Finding the Fourth Proportional to 8,977.86, 12,384.99 and 5,997.69

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Solution

The fourth proportional to 8,977.86, 12,384.99 and 5,997.69 is: 8,273.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.86 : 12,384.99 = 5,997.69 : x
  2. Step 2: Convert to fraction form
    8,977.86/12,384.99 = 5,997.69/x
  3. Step 3: Cross multiply
    8,977.86x = 12,384.99 × 5,997.69
  4. Step 4: Simplify right side
    8,977.86x = 74,281,330.67
  5. Step 5: Solve for x
    x = 74,281,330.67/8,977.86
  6. Step 6: Final answer
    x = 8,273.83

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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.