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Finding the Fourth Proportional to 8,873.96, 13,363.91 and 7,733.48

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Solution

The fourth proportional to 8,873.96, 13,363.91 and 7,733.48 is: 11,646.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.96 : 13,363.91 = 7,733.48 : x
  2. Step 2: Convert to fraction form
    8,873.96/13,363.91 = 7,733.48/x
  3. Step 3: Cross multiply
    8,873.96x = 13,363.91 × 7,733.48
  4. Step 4: Simplify right side
    8,873.96x = 103,349,530.71
  5. Step 5: Solve for x
    x = 103,349,530.71/8,873.96
  6. Step 6: Final answer
    x = 11,646.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.