Home / 8,099.03-12,129.65-6,235.36

Finding the Fourth Proportional to 8,099.03, 12,129.65 and 6,235.36

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Solution

The fourth proportional to 8,099.03, 12,129.65 and 6,235.36 is: 9,338.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.03 : 12,129.65 = 6,235.36 : x
  2. Step 2: Convert to fraction form
    8,099.03/12,129.65 = 6,235.36/x
  3. Step 3: Cross multiply
    8,099.03x = 12,129.65 × 6,235.36
  4. Step 4: Simplify right side
    8,099.03x = 75,632,642.60
  5. Step 5: Solve for x
    x = 75,632,642.60/8,099.03
  6. Step 6: Final answer
    x = 9,338.48

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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.