Home / 12,750.86-19,137.51-6,832.59

Finding the Fourth Proportional to 12,750.86, 19,137.51 and 6,832.59

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Solution

The fourth proportional to 12,750.86, 19,137.51 and 6,832.59 is: 10,254.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,750.86 : 19,137.51 = 6,832.59 : x
  2. Step 2: Convert to fraction form
    12,750.86/19,137.51 = 6,832.59/x
  3. Step 3: Cross multiply
    12,750.86x = 19,137.51 × 6,832.59
  4. Step 4: Simplify right side
    12,750.86x = 130,758,759.45
  5. Step 5: Solve for x
    x = 130,758,759.45/12,750.86
  6. Step 6: Final answer
    x = 10,254.90

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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.