Home / 8,221.02-11,338.26-5,564.22

Finding the Fourth Proportional to 8,221.02, 11,338.26 and 5,564.22

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Solution

The fourth proportional to 8,221.02, 11,338.26 and 5,564.22 is: 7,674.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221.02 : 11,338.26 = 5,564.22 : x
  2. Step 2: Convert to fraction form
    8,221.02/11,338.26 = 5,564.22/x
  3. Step 3: Cross multiply
    8,221.02x = 11,338.26 × 5,564.22
  4. Step 4: Simplify right side
    8,221.02x = 63,088,573.06
  5. Step 5: Solve for x
    x = 63,088,573.06/8,221.02
  6. Step 6: Final answer
    x = 7,674.06

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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.