Home / 6,847.63-9,449.73-3,864.09

Finding the Fourth Proportional to 6,847.63, 9,449.73 and 3,864.09

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Solution

The fourth proportional to 6,847.63, 9,449.73 and 3,864.09 is: 5,332.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,847.63 : 9,449.73 = 3,864.09 : x
  2. Step 2: Convert to fraction form
    6,847.63/9,449.73 = 3,864.09/x
  3. Step 3: Cross multiply
    6,847.63x = 9,449.73 × 3,864.09
  4. Step 4: Simplify right side
    6,847.63x = 36,514,607.20
  5. Step 5: Solve for x
    x = 36,514,607.20/6,847.63
  6. Step 6: Final answer
    x = 5,332.44

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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.