Home / 7,960.32-10,985.25-4,423.56

Finding the Fourth Proportional to 7,960.32, 10,985.25 and 4,423.56

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Solution

The fourth proportional to 7,960.32, 10,985.25 and 4,423.56 is: 6,104.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.32 : 10,985.25 = 4,423.56 : x
  2. Step 2: Convert to fraction form
    7,960.32/10,985.25 = 4,423.56/x
  3. Step 3: Cross multiply
    7,960.32x = 10,985.25 × 4,423.56
  4. Step 4: Simplify right side
    7,960.32x = 48,593,912.49
  5. Step 5: Solve for x
    x = 48,593,912.49/7,960.32
  6. Step 6: Final answer
    x = 6,104.52

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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.