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Finding the Fourth Proportional to 9,873.39, 13,623.94 and 6,341.38

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Solution

The fourth proportional to 9,873.39, 13,623.94 and 6,341.38 is: 8,750.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,873.39 : 13,623.94 = 6,341.38 : x
  2. Step 2: Convert to fraction form
    9,873.39/13,623.94 = 6,341.38/x
  3. Step 3: Cross multiply
    9,873.39x = 13,623.94 × 6,341.38
  4. Step 4: Simplify right side
    9,873.39x = 86,394,580.64
  5. Step 5: Solve for x
    x = 86,394,580.64/9,873.39
  6. Step 6: Final answer
    x = 8,750.24

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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.