Home / 6,705.15-9,253.86-3,873.18

Finding the Fourth Proportional to 6,705.15, 9,253.86 and 3,873.18

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Solution

The fourth proportional to 6,705.15, 9,253.86 and 3,873.18 is: 5,345.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,705.15 : 9,253.86 = 3,873.18 : x
  2. Step 2: Convert to fraction form
    6,705.15/9,253.86 = 3,873.18/x
  3. Step 3: Cross multiply
    6,705.15x = 9,253.86 × 3,873.18
  4. Step 4: Simplify right side
    6,705.15x = 35,841,865.47
  5. Step 5: Solve for x
    x = 35,841,865.47/6,705.15
  6. Step 6: Final answer
    x = 5,345.42

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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.