Home / 11,718.83-17,577.72-3,398.66

Finding the Fourth Proportional to 11,718.83, 17,577.72 and 3,398.66

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Solution

The fourth proportional to 11,718.83, 17,577.72 and 3,398.66 is: 5,097.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.83 : 17,577.72 = 3,398.66 : x
  2. Step 2: Convert to fraction form
    11,718.83/17,577.72 = 3,398.66/x
  3. Step 3: Cross multiply
    11,718.83x = 17,577.72 × 3,398.66
  4. Step 4: Simplify right side
    11,718.83x = 59,740,693.86
  5. Step 5: Solve for x
    x = 59,740,693.86/11,718.83
  6. Step 6: Final answer
    x = 5,097.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.