Home / 10,611.30-15,924.51-8,556.06

Finding the Fourth Proportional to 10,611.30, 15,924.51 and 8,556.06

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Solution

The fourth proportional to 10,611.30, 15,924.51 and 8,556.06 is: 12,840.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,611.30 : 15,924.51 = 8,556.06 : x
  2. Step 2: Convert to fraction form
    10,611.30/15,924.51 = 8,556.06/x
  3. Step 3: Cross multiply
    10,611.30x = 15,924.51 × 8,556.06
  4. Step 4: Simplify right side
    10,611.30x = 136,251,063.03
  5. Step 5: Solve for x
    x = 136,251,063.03/10,611.30
  6. Step 6: Final answer
    x = 12,840.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.