Home / 11,996.10-16,570.74-10,878.30

Finding the Fourth Proportional to 11,996.10, 16,570.74 and 10,878.30

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Solution

The fourth proportional to 11,996.10, 16,570.74 and 10,878.30 is: 15,026.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.10 : 16,570.74 = 10,878.30 : x
  2. Step 2: Convert to fraction form
    11,996.10/16,570.74 = 10,878.30/x
  3. Step 3: Cross multiply
    11,996.10x = 16,570.74 × 10,878.30
  4. Step 4: Simplify right side
    11,996.10x = 180,261,480.94
  5. Step 5: Solve for x
    x = 180,261,480.94/11,996.10
  6. Step 6: Final answer
    x = 15,026.67

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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.