Home / 8,824.43-13,255.09-7,440.47

Finding the Fourth Proportional to 8,824.43, 13,255.09 and 7,440.47

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Solution

The fourth proportional to 8,824.43, 13,255.09 and 7,440.47 is: 11,176.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,824.43 : 13,255.09 = 7,440.47 : x
  2. Step 2: Convert to fraction form
    8,824.43/13,255.09 = 7,440.47/x
  3. Step 3: Cross multiply
    8,824.43x = 13,255.09 × 7,440.47
  4. Step 4: Simplify right side
    8,824.43x = 98,624,099.49
  5. Step 5: Solve for x
    x = 98,624,099.49/8,824.43
  6. Step 6: Final answer
    x = 11,176.26

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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.