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Finding the Fourth Proportional to 8,773.25, 13,165.36 and 3,507.47

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Solution

The fourth proportional to 8,773.25, 13,165.36 and 3,507.47 is: 5,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.25 : 13,165.36 = 3,507.47 : x
  2. Step 2: Convert to fraction form
    8,773.25/13,165.36 = 3,507.47/x
  3. Step 3: Cross multiply
    8,773.25x = 13,165.36 × 3,507.47
  4. Step 4: Simplify right side
    8,773.25x = 46,177,080.01
  5. Step 5: Solve for x
    x = 46,177,080.01/8,773.25
  6. Step 6: Final answer
    x = 5,263.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.