Home / 7,440.71-11,153.27-2,508.63

Finding the Fourth Proportional to 7,440.71, 11,153.27 and 2,508.63

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Solution

The fourth proportional to 7,440.71, 11,153.27 and 2,508.63 is: 3,760.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.71 : 11,153.27 = 2,508.63 : x
  2. Step 2: Convert to fraction form
    7,440.71/11,153.27 = 2,508.63/x
  3. Step 3: Cross multiply
    7,440.71x = 11,153.27 × 2,508.63
  4. Step 4: Simplify right side
    7,440.71x = 27,979,415.18
  5. Step 5: Solve for x
    x = 27,979,415.18/7,440.71
  6. Step 6: Final answer
    x = 3,760.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.