Home / 7,931.44-10,945.44-4,394.88

Finding the Fourth Proportional to 7,931.44, 10,945.44 and 4,394.88

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Solution

The fourth proportional to 7,931.44, 10,945.44 and 4,394.88 is: 6,064.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.44 : 10,945.44 = 4,394.88 : x
  2. Step 2: Convert to fraction form
    7,931.44/10,945.44 = 4,394.88/x
  3. Step 3: Cross multiply
    7,931.44x = 10,945.44 × 4,394.88
  4. Step 4: Simplify right side
    7,931.44x = 48,103,895.35
  5. Step 5: Solve for x
    x = 48,103,895.35/7,931.44
  6. Step 6: Final answer
    x = 6,064.96

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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.