Home / 7,311.41-10,954.60-6,148.92

Finding the Fourth Proportional to 7,311.41, 10,954.60 and 6,148.92

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Solution

The fourth proportional to 7,311.41, 10,954.60 and 6,148.92 is: 9,212.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.41 : 10,954.60 = 6,148.92 : x
  2. Step 2: Convert to fraction form
    7,311.41/10,954.60 = 6,148.92/x
  3. Step 3: Cross multiply
    7,311.41x = 10,954.60 × 6,148.92
  4. Step 4: Simplify right side
    7,311.41x = 67,358,943.66
  5. Step 5: Solve for x
    x = 67,358,943.66/7,311.41
  6. Step 6: Final answer
    x = 9,212.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.