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Finding the Fourth Proportional to 8,259.03, 11,394.47 and 5,276.21

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Solution

The fourth proportional to 8,259.03, 11,394.47 and 5,276.21 is: 7,279.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.03 : 11,394.47 = 5,276.21 : x
  2. Step 2: Convert to fraction form
    8,259.03/11,394.47 = 5,276.21/x
  3. Step 3: Cross multiply
    8,259.03x = 11,394.47 × 5,276.21
  4. Step 4: Simplify right side
    8,259.03x = 60,119,572.78
  5. Step 5: Solve for x
    x = 60,119,572.78/8,259.03
  6. Step 6: Final answer
    x = 7,279.25

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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.