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Finding the Fourth Proportional to 9,352.67, 12,894.80 and 6,621.35

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Solution

The fourth proportional to 9,352.67, 12,894.80 and 6,621.35 is: 9,129.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,352.67 : 12,894.80 = 6,621.35 : x
  2. Step 2: Convert to fraction form
    9,352.67/12,894.80 = 6,621.35/x
  3. Step 3: Cross multiply
    9,352.67x = 12,894.80 × 6,621.35
  4. Step 4: Simplify right side
    9,352.67x = 85,380,886.40
  5. Step 5: Solve for x
    x = 85,380,886.40/9,352.67
  6. Step 6: Final answer
    x = 9,129.04

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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.