Home / 7,364.28-10,162.60-4,007.12

Finding the Fourth Proportional to 7,364.28, 10,162.60 and 4,007.12

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Solution

The fourth proportional to 7,364.28, 10,162.60 and 4,007.12 is: 5,529.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,364.28 : 10,162.60 = 4,007.12 : x
  2. Step 2: Convert to fraction form
    7,364.28/10,162.60 = 4,007.12/x
  3. Step 3: Cross multiply
    7,364.28x = 10,162.60 × 4,007.12
  4. Step 4: Simplify right side
    7,364.28x = 40,722,757.71
  5. Step 5: Solve for x
    x = 40,722,757.71/7,364.28
  6. Step 6: Final answer
    x = 5,529.77

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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.