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Finding the Fourth Proportional to 10,792.70, 14,894.94 and 6,316.18

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Solution

The fourth proportional to 10,792.70, 14,894.94 and 6,316.18 is: 8,716.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,792.70 : 14,894.94 = 6,316.18 : x
  2. Step 2: Convert to fraction form
    10,792.70/14,894.94 = 6,316.18/x
  3. Step 3: Cross multiply
    10,792.70x = 14,894.94 × 6,316.18
  4. Step 4: Simplify right side
    10,792.70x = 94,079,122.13
  5. Step 5: Solve for x
    x = 94,079,122.13/10,792.70
  6. Step 6: Final answer
    x = 8,716.92

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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.