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Finding the Fourth Proportional to 12,506.16, 17,258.46 and 6,917.16

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Solution

The fourth proportional to 12,506.16, 17,258.46 and 6,917.16 is: 9,545.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.16 : 17,258.46 = 6,917.16 : x
  2. Step 2: Convert to fraction form
    12,506.16/17,258.46 = 6,917.16/x
  3. Step 3: Cross multiply
    12,506.16x = 17,258.46 × 6,917.16
  4. Step 4: Simplify right side
    12,506.16x = 119,379,529.17
  5. Step 5: Solve for x
    x = 119,379,529.17/12,506.16
  6. Step 6: Final answer
    x = 9,545.66

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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.