Home / 11,338.31-15,645.45-6,302.21

Finding the Fourth Proportional to 11,338.31, 15,645.45 and 6,302.21

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Solution

The fourth proportional to 11,338.31, 15,645.45 and 6,302.21 is: 8,696.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.31 : 15,645.45 = 6,302.21 : x
  2. Step 2: Convert to fraction form
    11,338.31/15,645.45 = 6,302.21/x
  3. Step 3: Cross multiply
    11,338.31x = 15,645.45 × 6,302.21
  4. Step 4: Simplify right side
    11,338.31x = 98,600,856.85
  5. Step 5: Solve for x
    x = 98,600,856.85/11,338.31
  6. Step 6: Final answer
    x = 8,696.26

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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.