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Finding the Fourth Proportional to 9,353.16, 12,912.03 and 5,817.51

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Solution

The fourth proportional to 9,353.16, 12,912.03 and 5,817.51 is: 8,031.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,353.16 : 12,912.03 = 5,817.51 : x
  2. Step 2: Convert to fraction form
    9,353.16/12,912.03 = 5,817.51/x
  3. Step 3: Cross multiply
    9,353.16x = 12,912.03 × 5,817.51
  4. Step 4: Simplify right side
    9,353.16x = 75,115,863.65
  5. Step 5: Solve for x
    x = 75,115,863.65/9,353.16
  6. Step 6: Final answer
    x = 8,031.07

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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.