Home / 7,905.72-11,859.28-2,062.38

Finding the Fourth Proportional to 7,905.72, 11,859.28 and 2,062.38

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Solution

The fourth proportional to 7,905.72, 11,859.28 and 2,062.38 is: 3,093.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.72 : 11,859.28 = 2,062.38 : x
  2. Step 2: Convert to fraction form
    7,905.72/11,859.28 = 2,062.38/x
  3. Step 3: Cross multiply
    7,905.72x = 11,859.28 × 2,062.38
  4. Step 4: Simplify right side
    7,905.72x = 24,458,341.89
  5. Step 5: Solve for x
    x = 24,458,341.89/7,905.72
  6. Step 6: Final answer
    x = 3,093.75

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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.