Home / 7,939.78-10,956.54-4,583.19

Finding the Fourth Proportional to 7,939.78, 10,956.54 and 4,583.19

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Solution

The fourth proportional to 7,939.78, 10,956.54 and 4,583.19 is: 6,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.78 : 10,956.54 = 4,583.19 : x
  2. Step 2: Convert to fraction form
    7,939.78/10,956.54 = 4,583.19/x
  3. Step 3: Cross multiply
    7,939.78x = 10,956.54 × 4,583.19
  4. Step 4: Simplify right side
    7,939.78x = 50,215,904.56
  5. Step 5: Solve for x
    x = 50,215,904.56/7,939.78
  6. Step 6: Final answer
    x = 6,324.60

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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.