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Finding the Fourth Proportional to 8,701, 12,007.38 and 4,924.10

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Solution

The fourth proportional to 8,701, 12,007.38 and 4,924.10 is: 6,795.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701 : 12,007.38 = 4,924.10 : x
  2. Step 2: Convert to fraction form
    8,701/12,007.38 = 4,924.10/x
  3. Step 3: Cross multiply
    8,701x = 12,007.38 × 4,924.10
  4. Step 4: Simplify right side
    8,701x = 59,125,539.86
  5. Step 5: Solve for x
    x = 59,125,539.86/8,701
  6. Step 6: Final answer
    x = 6,795.26

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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.