Home / 7,706.41-10,630.40-5,191.99

Finding the Fourth Proportional to 7,706.41, 10,630.40 and 5,191.99

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Solution

The fourth proportional to 7,706.41, 10,630.40 and 5,191.99 is: 7,161.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,706.41 : 10,630.40 = 5,191.99 : x
  2. Step 2: Convert to fraction form
    7,706.41/10,630.40 = 5,191.99/x
  3. Step 3: Cross multiply
    7,706.41x = 10,630.40 × 5,191.99
  4. Step 4: Simplify right side
    7,706.41x = 55,192,877.96
  5. Step 5: Solve for x
    x = 55,192,877.96/7,706.41
  6. Step 6: Final answer
    x = 7,161.95

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Double scale
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Similar ratio
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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.