Home / 12,499.19-18,728.02-8,793.63

Finding the Fourth Proportional to 12,499.19, 18,728.02 and 8,793.63

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Solution

The fourth proportional to 12,499.19, 18,728.02 and 8,793.63 is: 13,175.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,499.19 : 18,728.02 = 8,793.63 : x
  2. Step 2: Convert to fraction form
    12,499.19/18,728.02 = 8,793.63/x
  3. Step 3: Cross multiply
    12,499.19x = 18,728.02 × 8,793.63
  4. Step 4: Simplify right side
    12,499.19x = 164,687,264.77
  5. Step 5: Solve for x
    x = 164,687,264.77/12,499.19
  6. Step 6: Final answer
    x = 13,175.84

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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.