Home / 10,352.46-15,440.24-8,802.66

Finding the Fourth Proportional to 10,352.46, 15,440.24 and 8,802.66

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Solution

The fourth proportional to 10,352.46, 15,440.24 and 8,802.66 is: 13,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352.46 : 15,440.24 = 8,802.66 : x
  2. Step 2: Convert to fraction form
    10,352.46/15,440.24 = 8,802.66/x
  3. Step 3: Cross multiply
    10,352.46x = 15,440.24 × 8,802.66
  4. Step 4: Simplify right side
    10,352.46x = 135,915,139.03
  5. Step 5: Solve for x
    x = 135,915,139.03/10,352.46
  6. Step 6: Final answer
    x = 13,128.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.