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Finding the Fourth Proportional to 8,502.36, 11,739.09 and 5,317.03

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Solution

The fourth proportional to 8,502.36, 11,739.09 and 5,317.03 is: 7,341.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.36 : 11,739.09 = 5,317.03 : x
  2. Step 2: Convert to fraction form
    8,502.36/11,739.09 = 5,317.03/x
  3. Step 3: Cross multiply
    8,502.36x = 11,739.09 × 5,317.03
  4. Step 4: Simplify right side
    8,502.36x = 62,417,093.70
  5. Step 5: Solve for x
    x = 62,417,093.70/8,502.36
  6. Step 6: Final answer
    x = 7,341.15

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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.