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Finding the Fourth Proportional to 6,893.33, 9,509.75 and 4,239.17

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Solution

The fourth proportional to 6,893.33, 9,509.75 and 4,239.17 is: 5,848.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,893.33 : 9,509.75 = 4,239.17 : x
  2. Step 2: Convert to fraction form
    6,893.33/9,509.75 = 4,239.17/x
  3. Step 3: Cross multiply
    6,893.33x = 9,509.75 × 4,239.17
  4. Step 4: Simplify right side
    6,893.33x = 40,313,425.71
  5. Step 5: Solve for x
    x = 40,313,425.71/6,893.33
  6. Step 6: Final answer
    x = 5,848.18

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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.