Home / 8,218.02-11,339.28-5,696.04

Finding the Fourth Proportional to 8,218.02, 11,339.28 and 5,696.04

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Solution

The fourth proportional to 8,218.02, 11,339.28 and 5,696.04 is: 7,859.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.02 : 11,339.28 = 5,696.04 : x
  2. Step 2: Convert to fraction form
    8,218.02/11,339.28 = 5,696.04/x
  3. Step 3: Cross multiply
    8,218.02x = 11,339.28 × 5,696.04
  4. Step 4: Simplify right side
    8,218.02x = 64,588,992.45
  5. Step 5: Solve for x
    x = 64,588,992.45/8,218.02
  6. Step 6: Final answer
    x = 7,859.43

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Half scale
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Double scale
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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.