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Finding the Fourth Proportional to 9,511.95, 13,132.95 and 5,928.35

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Solution

The fourth proportional to 9,511.95, 13,132.95 and 5,928.35 is: 8,185.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.95 : 13,132.95 = 5,928.35 : x
  2. Step 2: Convert to fraction form
    9,511.95/13,132.95 = 5,928.35/x
  3. Step 3: Cross multiply
    9,511.95x = 13,132.95 × 5,928.35
  4. Step 4: Simplify right side
    9,511.95x = 77,856,658.47
  5. Step 5: Solve for x
    x = 77,856,658.47/9,511.95
  6. Step 6: Final answer
    x = 8,185.14

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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.