Home / 13,273.02-18,317.61-8,793.72

Finding the Fourth Proportional to 13,273.02, 18,317.61 and 8,793.72

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Solution

The fourth proportional to 13,273.02, 18,317.61 and 8,793.72 is: 12,135.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.02 : 18,317.61 = 8,793.72 : x
  2. Step 2: Convert to fraction form
    13,273.02/18,317.61 = 8,793.72/x
  3. Step 3: Cross multiply
    13,273.02x = 18,317.61 × 8,793.72
  4. Step 4: Simplify right side
    13,273.02x = 161,079,933.41
  5. Step 5: Solve for x
    x = 161,079,933.41/13,273.02
  6. Step 6: Final answer
    x = 12,135.89

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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.