Home / 8,467.10-11,685.68-5,111.81

Finding the Fourth Proportional to 8,467.10, 11,685.68 and 5,111.81

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Solution

The fourth proportional to 8,467.10, 11,685.68 and 5,111.81 is: 7,054.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.10 : 11,685.68 = 5,111.81 : x
  2. Step 2: Convert to fraction form
    8,467.10/11,685.68 = 5,111.81/x
  3. Step 3: Cross multiply
    8,467.10x = 11,685.68 × 5,111.81
  4. Step 4: Simplify right side
    8,467.10x = 59,734,930.23
  5. Step 5: Solve for x
    x = 59,734,930.23/8,467.10
  6. Step 6: Final answer
    x = 7,054.95

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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.