Home / 11,316.35-17,002.20-10,686.90

Finding the Fourth Proportional to 11,316.35, 17,002.20 and 10,686.90

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Solution

The fourth proportional to 11,316.35, 17,002.20 and 10,686.90 is: 16,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.35 : 17,002.20 = 10,686.90 : x
  2. Step 2: Convert to fraction form
    11,316.35/17,002.20 = 10,686.90/x
  3. Step 3: Cross multiply
    11,316.35x = 17,002.20 × 10,686.90
  4. Step 4: Simplify right side
    11,316.35x = 181,700,791.14
  5. Step 5: Solve for x
    x = 181,700,791.14/11,316.35
  6. Step 6: Final answer
    x = 16,056.49

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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.