Home / 8,694.74-12,000.83-5,110.49

Finding the Fourth Proportional to 8,694.74, 12,000.83 and 5,110.49

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Solution

The fourth proportional to 8,694.74, 12,000.83 and 5,110.49 is: 7,053.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.74 : 12,000.83 = 5,110.49 : x
  2. Step 2: Convert to fraction form
    8,694.74/12,000.83 = 5,110.49/x
  3. Step 3: Cross multiply
    8,694.74x = 12,000.83 × 5,110.49
  4. Step 4: Simplify right side
    8,694.74x = 61,330,126.16
  5. Step 5: Solve for x
    x = 61,330,126.16/8,694.74
  6. Step 6: Final answer
    x = 7,053.70

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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.