Home / 12,499.07-18,727.80-8,793.51

Finding the Fourth Proportional to 12,499.07, 18,727.80 and 8,793.51

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Solution

The fourth proportional to 12,499.07, 18,727.80 and 8,793.51 is: 13,175.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,499.07 : 18,727.80 = 8,793.51 : x
  2. Step 2: Convert to fraction form
    12,499.07/18,727.80 = 8,793.51/x
  3. Step 3: Cross multiply
    12,499.07x = 18,727.80 × 8,793.51
  4. Step 4: Simplify right side
    12,499.07x = 164,683,096.58
  5. Step 5: Solve for x
    x = 164,683,096.58/12,499.07
  6. Step 6: Final answer
    x = 13,175.63

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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.