Home / 11,423.44-15,766.17-6,706.81

Finding the Fourth Proportional to 11,423.44, 15,766.17 and 6,706.81

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Solution

The fourth proportional to 11,423.44, 15,766.17 and 6,706.81 is: 9,256.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.44 : 15,766.17 = 6,706.81 : x
  2. Step 2: Convert to fraction form
    11,423.44/15,766.17 = 6,706.81/x
  3. Step 3: Cross multiply
    11,423.44x = 15,766.17 × 6,706.81
  4. Step 4: Simplify right side
    11,423.44x = 105,740,667.20
  5. Step 5: Solve for x
    x = 105,740,667.20/11,423.44
  6. Step 6: Final answer
    x = 9,256.47

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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.