Home / 12,352.02-18,536.23-5,778.72

Finding the Fourth Proportional to 12,352.02, 18,536.23 and 5,778.72

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Solution

The fourth proportional to 12,352.02, 18,536.23 and 5,778.72 is: 8,671.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352.02 : 18,536.23 = 5,778.72 : x
  2. Step 2: Convert to fraction form
    12,352.02/18,536.23 = 5,778.72/x
  3. Step 3: Cross multiply
    12,352.02x = 18,536.23 × 5,778.72
  4. Step 4: Simplify right side
    12,352.02x = 107,115,683.03
  5. Step 5: Solve for x
    x = 107,115,683.03/12,352.02
  6. Step 6: Final answer
    x = 8,671.92

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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.