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Finding the Fourth Proportional to 8,813.11, 12,162.65 and 5,823.71

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Solution

The fourth proportional to 8,813.11, 12,162.65 and 5,823.71 is: 8,037.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.11 : 12,162.65 = 5,823.71 : x
  2. Step 2: Convert to fraction form
    8,813.11/12,162.65 = 5,823.71/x
  3. Step 3: Cross multiply
    8,813.11x = 12,162.65 × 5,823.71
  4. Step 4: Simplify right side
    8,813.11x = 70,831,746.43
  5. Step 5: Solve for x
    x = 70,831,746.43/8,813.11
  6. Step 6: Final answer
    x = 8,037.09

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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.