Home / 7,961.54-10,985.63-4,604.81

Finding the Fourth Proportional to 7,961.54, 10,985.63 and 4,604.81

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Solution

The fourth proportional to 7,961.54, 10,985.63 and 4,604.81 is: 6,353.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.54 : 10,985.63 = 4,604.81 : x
  2. Step 2: Convert to fraction form
    7,961.54/10,985.63 = 4,604.81/x
  3. Step 3: Cross multiply
    7,961.54x = 10,985.63 × 4,604.81
  4. Step 4: Simplify right side
    7,961.54x = 50,586,660.93
  5. Step 5: Solve for x
    x = 50,586,660.93/7,961.54
  6. Step 6: Final answer
    x = 6,353.88

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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.