Home / 8,161.02-11,257.83-6,168.10

Finding the Fourth Proportional to 8,161.02, 11,257.83 and 6,168.10

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Solution

The fourth proportional to 8,161.02, 11,257.83 and 6,168.10 is: 8,508.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.02 : 11,257.83 = 6,168.10 : x
  2. Step 2: Convert to fraction form
    8,161.02/11,257.83 = 6,168.10/x
  3. Step 3: Cross multiply
    8,161.02x = 11,257.83 × 6,168.10
  4. Step 4: Simplify right side
    8,161.02x = 69,439,421.22
  5. Step 5: Solve for x
    x = 69,439,421.22/8,161.02
  6. Step 6: Final answer
    x = 8,508.67

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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.