Home / 7,849.44-10,832.40-4,312.80

Finding the Fourth Proportional to 7,849.44, 10,832.40 and 4,312.80

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Solution

The fourth proportional to 7,849.44, 10,832.40 and 4,312.80 is: 5,951.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.44 : 10,832.40 = 4,312.80 : x
  2. Step 2: Convert to fraction form
    7,849.44/10,832.40 = 4,312.80/x
  3. Step 3: Cross multiply
    7,849.44x = 10,832.40 × 4,312.80
  4. Step 4: Simplify right side
    7,849.44x = 46,717,974.72
  5. Step 5: Solve for x
    x = 46,717,974.72/7,849.44
  6. Step 6: Final answer
    x = 5,951.76

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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.