Home / 10,996.56-15,172.11-6,746.22

Finding the Fourth Proportional to 10,996.56, 15,172.11 and 6,746.22

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Solution

The fourth proportional to 10,996.56, 15,172.11 and 6,746.22 is: 9,307.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.56 : 15,172.11 = 6,746.22 : x
  2. Step 2: Convert to fraction form
    10,996.56/15,172.11 = 6,746.22/x
  3. Step 3: Cross multiply
    10,996.56x = 15,172.11 × 6,746.22
  4. Step 4: Simplify right side
    10,996.56x = 102,354,391.92
  5. Step 5: Solve for x
    x = 102,354,391.92/10,996.56
  6. Step 6: Final answer
    x = 9,307.86

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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.