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Finding the Fourth Proportional to 8,364.92, 12,537.64 and 6,153.17

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Solution

The fourth proportional to 8,364.92, 12,537.64 and 6,153.17 is: 9,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.92 : 12,537.64 = 6,153.17 : x
  2. Step 2: Convert to fraction form
    8,364.92/12,537.64 = 6,153.17/x
  3. Step 3: Cross multiply
    8,364.92x = 12,537.64 × 6,153.17
  4. Step 4: Simplify right side
    8,364.92x = 77,146,140.71
  5. Step 5: Solve for x
    x = 77,146,140.71/8,364.92
  6. Step 6: Final answer
    x = 9,222.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.