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Finding the Fourth Proportional to 8,503.66, 11,735.15 and 4,727.06

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Solution

The fourth proportional to 8,503.66, 11,735.15 and 4,727.06 is: 6,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.66 : 11,735.15 = 4,727.06 : x
  2. Step 2: Convert to fraction form
    8,503.66/11,735.15 = 4,727.06/x
  3. Step 3: Cross multiply
    8,503.66x = 11,735.15 × 4,727.06
  4. Step 4: Simplify right side
    8,503.66x = 55,472,759.74
  5. Step 5: Solve for x
    x = 55,472,759.74/8,503.66
  6. Step 6: Final answer
    x = 6,523.40

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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.