Home / 7,440.71-11,212.26-6,153.41

Finding the Fourth Proportional to 7,440.71, 11,212.26 and 6,153.41

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Solution

The fourth proportional to 7,440.71, 11,212.26 and 6,153.41 is: 9,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.71 : 11,212.26 = 6,153.41 : x
  2. Step 2: Convert to fraction form
    7,440.71/11,212.26 = 6,153.41/x
  3. Step 3: Cross multiply
    7,440.71x = 11,212.26 × 6,153.41
  4. Step 4: Simplify right side
    7,440.71x = 68,993,586.23
  5. Step 5: Solve for x
    x = 68,993,586.23/7,440.71
  6. Step 6: Final answer
    x = 9,272.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.