Home / 10,960.07-16,440.11-10,172.75

Finding the Fourth Proportional to 10,960.07, 16,440.11 and 10,172.75

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Solution

The fourth proportional to 10,960.07, 16,440.11 and 10,172.75 is: 15,259.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,960.07 : 16,440.11 = 10,172.75 : x
  2. Step 2: Convert to fraction form
    10,960.07/16,440.11 = 10,172.75/x
  3. Step 3: Cross multiply
    10,960.07x = 16,440.11 × 10,172.75
  4. Step 4: Simplify right side
    10,960.07x = 167,241,078.14
  5. Step 5: Solve for x
    x = 167,241,078.14/10,960.07
  6. Step 6: Final answer
    x = 15,259.13

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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.