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Finding the Fourth Proportional to 9,365.65, 12,852.65 and 8,837.43

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Solution

The fourth proportional to 9,365.65, 12,852.65 and 8,837.43 is: 12,127.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,365.65 : 12,852.65 = 8,837.43 : x
  2. Step 2: Convert to fraction form
    9,365.65/12,852.65 = 8,837.43/x
  3. Step 3: Cross multiply
    9,365.65x = 12,852.65 × 8,837.43
  4. Step 4: Simplify right side
    9,365.65x = 113,584,394.69
  5. Step 5: Solve for x
    x = 113,584,394.69/9,365.65
  6. Step 6: Final answer
    x = 12,127.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.