Home / 8,220.22-11,358.93-5,858.26

Finding the Fourth Proportional to 8,220.22, 11,358.93 and 5,858.26

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Solution

The fourth proportional to 8,220.22, 11,358.93 and 5,858.26 is: 8,095.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.22 : 11,358.93 = 5,858.26 : x
  2. Step 2: Convert to fraction form
    8,220.22/11,358.93 = 5,858.26/x
  3. Step 3: Cross multiply
    8,220.22x = 11,358.93 × 5,858.26
  4. Step 4: Simplify right side
    8,220.22x = 66,543,565.26
  5. Step 5: Solve for x
    x = 66,543,565.26/8,220.22
  6. Step 6: Final answer
    x = 8,095.11

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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.