Home / 11,631.90-16,094.26-10,142.90

Finding the Fourth Proportional to 11,631.90, 16,094.26 and 10,142.90

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Solution

The fourth proportional to 11,631.90, 16,094.26 and 10,142.90 is: 14,034.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.90 : 16,094.26 = 10,142.90 : x
  2. Step 2: Convert to fraction form
    11,631.90/16,094.26 = 10,142.90/x
  3. Step 3: Cross multiply
    11,631.90x = 16,094.26 × 10,142.90
  4. Step 4: Simplify right side
    11,631.90x = 163,242,469.75
  5. Step 5: Solve for x
    x = 163,242,469.75/11,631.90
  6. Step 6: Final answer
    x = 14,034.03

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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.