Home / 8,424.55-12,611.87-6,243.07

Finding the Fourth Proportional to 8,424.55, 12,611.87 and 6,243.07

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Solution

The fourth proportional to 8,424.55, 12,611.87 and 6,243.07 is: 9,346.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.55 : 12,611.87 = 6,243.07 : x
  2. Step 2: Convert to fraction form
    8,424.55/12,611.87 = 6,243.07/x
  3. Step 3: Cross multiply
    8,424.55x = 12,611.87 × 6,243.07
  4. Step 4: Simplify right side
    8,424.55x = 78,736,756.03
  5. Step 5: Solve for x
    x = 78,736,756.03/8,424.55
  6. Step 6: Final answer
    x = 9,346.11

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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.