Home / 7,956.43-10,980.26-4,419.56

Finding the Fourth Proportional to 7,956.43, 10,980.26 and 4,419.56

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Solution

The fourth proportional to 7,956.43, 10,980.26 and 4,419.56 is: 6,099.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.43 : 10,980.26 = 4,419.56 : x
  2. Step 2: Convert to fraction form
    7,956.43/10,980.26 = 4,419.56/x
  3. Step 3: Cross multiply
    7,956.43x = 10,980.26 × 4,419.56
  4. Step 4: Simplify right side
    7,956.43x = 48,527,939.81
  5. Step 5: Solve for x
    x = 48,527,939.81/7,956.43
  6. Step 6: Final answer
    x = 6,099.21

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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.