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Finding the Fourth Proportional to 11,806.65, 16,293.03 and 6,703.14

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Solution

The fourth proportional to 11,806.65, 16,293.03 and 6,703.14 is: 9,250.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,806.65 : 16,293.03 = 6,703.14 : x
  2. Step 2: Convert to fraction form
    11,806.65/16,293.03 = 6,703.14/x
  3. Step 3: Cross multiply
    11,806.65x = 16,293.03 × 6,703.14
  4. Step 4: Simplify right side
    11,806.65x = 109,214,461.11
  5. Step 5: Solve for x
    x = 109,214,461.11/11,806.65
  6. Step 6: Final answer
    x = 9,250.25

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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.