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Finding the Fourth Proportional to 9,055.53, 12,554.53 and 8,734.77

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Solution

The fourth proportional to 9,055.53, 12,554.53 and 8,734.77 is: 12,109.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055.53 : 12,554.53 = 8,734.77 : x
  2. Step 2: Convert to fraction form
    9,055.53/12,554.53 = 8,734.77/x
  3. Step 3: Cross multiply
    9,055.53x = 12,554.53 × 8,734.77
  4. Step 4: Simplify right side
    9,055.53x = 109,660,910.17
  5. Step 5: Solve for x
    x = 109,660,910.17/9,055.53
  6. Step 6: Final answer
    x = 12,109.83

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.