Home / 12,511.14-17,276.85-8,042.67

Finding the Fourth Proportional to 12,511.14, 17,276.85 and 8,042.67

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Solution

The fourth proportional to 12,511.14, 17,276.85 and 8,042.67 is: 11,106.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,511.14 : 17,276.85 = 8,042.67 : x
  2. Step 2: Convert to fraction form
    12,511.14/17,276.85 = 8,042.67/x
  3. Step 3: Cross multiply
    12,511.14x = 17,276.85 × 8,042.67
  4. Step 4: Simplify right side
    12,511.14x = 138,952,003.19
  5. Step 5: Solve for x
    x = 138,952,003.19/12,511.14
  6. Step 6: Final answer
    x = 11,106.26

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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.