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Finding the Fourth Proportional to 8,460.62, 11,673 and 4,923.15

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Solution

The fourth proportional to 8,460.62, 11,673 and 4,923.15 is: 6,792.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.62 : 11,673 = 4,923.15 : x
  2. Step 2: Convert to fraction form
    8,460.62/11,673 = 4,923.15/x
  3. Step 3: Cross multiply
    8,460.62x = 11,673 × 4,923.15
  4. Step 4: Simplify right side
    8,460.62x = 57,467,929.95
  5. Step 5: Solve for x
    x = 57,467,929.95/8,460.62
  6. Step 6: Final answer
    x = 6,792.41

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Half scale
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Double scale
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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.