Home / 8,807.16-12,161.94-5,668.68

Finding the Fourth Proportional to 8,807.16, 12,161.94 and 5,668.68

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Solution

The fourth proportional to 8,807.16, 12,161.94 and 5,668.68 is: 7,827.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.16 : 12,161.94 = 5,668.68 : x
  2. Step 2: Convert to fraction form
    8,807.16/12,161.94 = 5,668.68/x
  3. Step 3: Cross multiply
    8,807.16x = 12,161.94 × 5,668.68
  4. Step 4: Simplify right side
    8,807.16x = 68,942,146.04
  5. Step 5: Solve for x
    x = 68,942,146.04/8,807.16
  6. Step 6: Final answer
    x = 7,827.97

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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.