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Finding the Fourth Proportional to 8,334.61, 12,498.27 and 3,953.32

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Solution

The fourth proportional to 8,334.61, 12,498.27 and 3,953.32 is: 5,928.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,334.61 : 12,498.27 = 3,953.32 : x
  2. Step 2: Convert to fraction form
    8,334.61/12,498.27 = 3,953.32/x
  3. Step 3: Cross multiply
    8,334.61x = 12,498.27 × 3,953.32
  4. Step 4: Simplify right side
    8,334.61x = 49,409,660.76
  5. Step 5: Solve for x
    x = 49,409,660.76/8,334.61
  6. Step 6: Final answer
    x = 5,928.25

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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.