Home / 11,001.70-16,466.10-10,126.90

Finding the Fourth Proportional to 11,001.70, 16,466.10 and 10,126.90

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Solution

The fourth proportional to 11,001.70, 16,466.10 and 10,126.90 is: 15,156.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.70 : 16,466.10 = 10,126.90 : x
  2. Step 2: Convert to fraction form
    11,001.70/16,466.10 = 10,126.90/x
  3. Step 3: Cross multiply
    11,001.70x = 16,466.10 × 10,126.90
  4. Step 4: Simplify right side
    11,001.70x = 166,750,548.09
  5. Step 5: Solve for x
    x = 166,750,548.09/11,001.70
  6. Step 6: Final answer
    x = 15,156.80

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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.