Home / 10,981.27-15,153.19-6,504.27

Finding the Fourth Proportional to 10,981.27, 15,153.19 and 6,504.27

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Solution

The fourth proportional to 10,981.27, 15,153.19 and 6,504.27 is: 8,975.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981.27 : 15,153.19 = 6,504.27 : x
  2. Step 2: Convert to fraction form
    10,981.27/15,153.19 = 6,504.27/x
  3. Step 3: Cross multiply
    10,981.27x = 15,153.19 × 6,504.27
  4. Step 4: Simplify right side
    10,981.27x = 98,560,402.62
  5. Step 5: Solve for x
    x = 98,560,402.62/10,981.27
  6. Step 6: Final answer
    x = 8,975.32

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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.