Home / 8,208.08-11,336.58-5,979.92

Finding the Fourth Proportional to 8,208.08, 11,336.58 and 5,979.92

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Solution

The fourth proportional to 8,208.08, 11,336.58 and 5,979.92 is: 8,259.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.08 : 11,336.58 = 5,979.92 : x
  2. Step 2: Convert to fraction form
    8,208.08/11,336.58 = 5,979.92/x
  3. Step 3: Cross multiply
    8,208.08x = 11,336.58 × 5,979.92
  4. Step 4: Simplify right side
    8,208.08x = 67,791,841.47
  5. Step 5: Solve for x
    x = 67,791,841.47/8,208.08
  6. Step 6: Final answer
    x = 8,259.16

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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.