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Finding the Fourth Proportional to 10,860.32, 14,993.98 and 8,337.62

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Solution

The fourth proportional to 10,860.32, 14,993.98 and 8,337.62 is: 11,511.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.32 : 14,993.98 = 8,337.62 : x
  2. Step 2: Convert to fraction form
    10,860.32/14,993.98 = 8,337.62/x
  3. Step 3: Cross multiply
    10,860.32x = 14,993.98 × 8,337.62
  4. Step 4: Simplify right side
    10,860.32x = 125,014,107.53
  5. Step 5: Solve for x
    x = 125,014,107.53/10,860.32
  6. Step 6: Final answer
    x = 11,511.09

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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.