Home / 8,284.83-11,433.28-4,508.21

Finding the Fourth Proportional to 8,284.83, 11,433.28 and 4,508.21

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Solution

The fourth proportional to 8,284.83, 11,433.28 and 4,508.21 is: 6,221.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.83 : 11,433.28 = 4,508.21 : x
  2. Step 2: Convert to fraction form
    8,284.83/11,433.28 = 4,508.21/x
  3. Step 3: Cross multiply
    8,284.83x = 11,433.28 × 4,508.21
  4. Step 4: Simplify right side
    8,284.83x = 51,543,627.23
  5. Step 5: Solve for x
    x = 51,543,627.23/8,284.83
  6. Step 6: Final answer
    x = 6,221.45

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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.