Home / 10,648.72-14,694.60-6,172.12

Finding the Fourth Proportional to 10,648.72, 14,694.60 and 6,172.12

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Solution

The fourth proportional to 10,648.72, 14,694.60 and 6,172.12 is: 8,517.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,648.72 : 14,694.60 = 6,172.12 : x
  2. Step 2: Convert to fraction form
    10,648.72/14,694.60 = 6,172.12/x
  3. Step 3: Cross multiply
    10,648.72x = 14,694.60 × 6,172.12
  4. Step 4: Simplify right side
    10,648.72x = 90,696,834.55
  5. Step 5: Solve for x
    x = 90,696,834.55/10,648.72
  6. Step 6: Final answer
    x = 8,517.16

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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.