Home / 11,026.31-15,217.62-6,312.11

Finding the Fourth Proportional to 11,026.31, 15,217.62 and 6,312.11

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Solution

The fourth proportional to 11,026.31, 15,217.62 and 6,312.11 is: 8,711.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,026.31 : 15,217.62 = 6,312.11 : x
  2. Step 2: Convert to fraction form
    11,026.31/15,217.62 = 6,312.11/x
  3. Step 3: Cross multiply
    11,026.31x = 15,217.62 × 6,312.11
  4. Step 4: Simplify right side
    11,026.31x = 96,055,291.38
  5. Step 5: Solve for x
    x = 96,055,291.38/11,026.31
  6. Step 6: Final answer
    x = 8,711.46

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Half scale
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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.