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Finding the Fourth Proportional to 9,356.44, 12,916.76 and 6,835.72

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Solution

The fourth proportional to 9,356.44, 12,916.76 and 6,835.72 is: 9,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,356.44 : 12,916.76 = 6,835.72 : x
  2. Step 2: Convert to fraction form
    9,356.44/12,916.76 = 6,835.72/x
  3. Step 3: Cross multiply
    9,356.44x = 12,916.76 × 6,835.72
  4. Step 4: Simplify right side
    9,356.44x = 88,295,354.67
  5. Step 5: Solve for x
    x = 88,295,354.67/9,356.44
  6. Step 6: Final answer
    x = 9,436.85

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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.