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Finding the Fourth Proportional to 9,483.26, 13,091.81 and 6,928.15

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Solution

The fourth proportional to 9,483.26, 13,091.81 and 6,928.15 is: 9,564.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,483.26 : 13,091.81 = 6,928.15 : x
  2. Step 2: Convert to fraction form
    9,483.26/13,091.81 = 6,928.15/x
  3. Step 3: Cross multiply
    9,483.26x = 13,091.81 × 6,928.15
  4. Step 4: Simplify right side
    9,483.26x = 90,702,008.04
  5. Step 5: Solve for x
    x = 90,702,008.04/9,483.26
  6. Step 6: Final answer
    x = 9,564.44

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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.