Home / 10,526.42-15,786.52-8,672.94

Finding the Fourth Proportional to 10,526.42, 15,786.52 and 8,672.94

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Solution

The fourth proportional to 10,526.42, 15,786.52 and 8,672.94 is: 13,006.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,526.42 : 15,786.52 = 8,672.94 : x
  2. Step 2: Convert to fraction form
    10,526.42/15,786.52 = 8,672.94/x
  3. Step 3: Cross multiply
    10,526.42x = 15,786.52 × 8,672.94
  4. Step 4: Simplify right side
    10,526.42x = 136,915,519.09
  5. Step 5: Solve for x
    x = 136,915,519.09/10,526.42
  6. Step 6: Final answer
    x = 13,006.84

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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.