Home / 8,158.77-12,231.09-4,864.94

Finding the Fourth Proportional to 8,158.77, 12,231.09 and 4,864.94

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Solution

The fourth proportional to 8,158.77, 12,231.09 and 4,864.94 is: 7,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.77 : 12,231.09 = 4,864.94 : x
  2. Step 2: Convert to fraction form
    8,158.77/12,231.09 = 4,864.94/x
  3. Step 3: Cross multiply
    8,158.77x = 12,231.09 × 4,864.94
  4. Step 4: Simplify right side
    8,158.77x = 59,503,518.98
  5. Step 5: Solve for x
    x = 59,503,518.98/8,158.77
  6. Step 6: Final answer
    x = 7,293.20

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1.5x scale

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.