Home / 10,911.12-16,390.96-6,754.16

Finding the Fourth Proportional to 10,911.12, 16,390.96 and 6,754.16

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Solution

The fourth proportional to 10,911.12, 16,390.96 and 6,754.16 is: 10,146.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.12 : 16,390.96 = 6,754.16 : x
  2. Step 2: Convert to fraction form
    10,911.12/16,390.96 = 6,754.16/x
  3. Step 3: Cross multiply
    10,911.12x = 16,390.96 × 6,754.16
  4. Step 4: Simplify right side
    10,911.12x = 110,707,166.39
  5. Step 5: Solve for x
    x = 110,707,166.39/10,911.12
  6. Step 6: Final answer
    x = 10,146.27

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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.