Home / 8,222.58-11,344.38-4,683.28

Finding the Fourth Proportional to 8,222.58, 11,344.38 and 4,683.28

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Solution

The fourth proportional to 8,222.58, 11,344.38 and 4,683.28 is: 6,461.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.58 : 11,344.38 = 4,683.28 : x
  2. Step 2: Convert to fraction form
    8,222.58/11,344.38 = 4,683.28/x
  3. Step 3: Cross multiply
    8,222.58x = 11,344.38 × 4,683.28
  4. Step 4: Simplify right side
    8,222.58x = 53,128,907.97
  5. Step 5: Solve for x
    x = 53,128,907.97/8,222.58
  6. Step 6: Final answer
    x = 6,461.34

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Half scale
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Double scale
Find fourth proportional to 8,223.58, 11,345.76 and 4,684.28
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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.