Home / 8,191.72-11,304.51-4,654.93

Finding the Fourth Proportional to 8,191.72, 11,304.51 and 4,654.93

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Solution

The fourth proportional to 8,191.72, 11,304.51 and 4,654.93 is: 6,423.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191.72 : 11,304.51 = 4,654.93 : x
  2. Step 2: Convert to fraction form
    8,191.72/11,304.51 = 4,654.93/x
  3. Step 3: Cross multiply
    8,191.72x = 11,304.51 × 4,654.93
  4. Step 4: Simplify right side
    8,191.72x = 52,621,702.73
  5. Step 5: Solve for x
    x = 52,621,702.73/8,191.72
  6. Step 6: Final answer
    x = 6,423.77

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Double scale
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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.