Home / 11,254.33-15,514.50-7,886.96

Finding the Fourth Proportional to 11,254.33, 15,514.50 and 7,886.96

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Solution

The fourth proportional to 11,254.33, 15,514.50 and 7,886.96 is: 10,872.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.33 : 15,514.50 = 7,886.96 : x
  2. Step 2: Convert to fraction form
    11,254.33/15,514.50 = 7,886.96/x
  3. Step 3: Cross multiply
    11,254.33x = 15,514.50 × 7,886.96
  4. Step 4: Simplify right side
    11,254.33x = 122,362,240.92
  5. Step 5: Solve for x
    x = 122,362,240.92/11,254.33
  6. Step 6: Final answer
    x = 10,872.46

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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.