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Finding the Fourth Proportional to 8,363.86, 11,454.26 and 8,254.51

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Solution

The fourth proportional to 8,363.86, 11,454.26 and 8,254.51 is: 11,304.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.86 : 11,454.26 = 8,254.51 : x
  2. Step 2: Convert to fraction form
    8,363.86/11,454.26 = 8,254.51/x
  3. Step 3: Cross multiply
    8,363.86x = 11,454.26 × 8,254.51
  4. Step 4: Simplify right side
    8,363.86x = 94,549,303.71
  5. Step 5: Solve for x
    x = 94,549,303.71/8,363.86
  6. Step 6: Final answer
    x = 11,304.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.