Home / 11,254.63-15,531.38-6,286.63

Finding the Fourth Proportional to 11,254.63, 15,531.38 and 6,286.63

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Solution

The fourth proportional to 11,254.63, 15,531.38 and 6,286.63 is: 8,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.63 : 15,531.38 = 6,286.63 : x
  2. Step 2: Convert to fraction form
    11,254.63/15,531.38 = 6,286.63/x
  3. Step 3: Cross multiply
    11,254.63x = 15,531.38 × 6,286.63
  4. Step 4: Simplify right side
    11,254.63x = 97,639,977.51
  5. Step 5: Solve for x
    x = 97,639,977.51/11,254.63
  6. Step 6: Final answer
    x = 8,675.54

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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.