Home / 8,173.17-11,278.64-4,636.31

Finding the Fourth Proportional to 8,173.17, 11,278.64 and 4,636.31

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Solution

The fourth proportional to 8,173.17, 11,278.64 and 4,636.31 is: 6,397.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.17 : 11,278.64 = 4,636.31 : x
  2. Step 2: Convert to fraction form
    8,173.17/11,278.64 = 4,636.31/x
  3. Step 3: Cross multiply
    8,173.17x = 11,278.64 × 4,636.31
  4. Step 4: Simplify right side
    8,173.17x = 52,291,226.62
  5. Step 5: Solve for x
    x = 52,291,226.62/8,173.17
  6. Step 6: Final answer
    x = 6,397.91

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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.