Home / 10,526.41-15,786.32-3,504.78

Finding the Fourth Proportional to 10,526.41, 15,786.32 and 3,504.78

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Solution

The fourth proportional to 10,526.41, 15,786.32 and 3,504.78 is: 5,256.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,526.41 : 15,786.32 = 3,504.78 : x
  2. Step 2: Convert to fraction form
    10,526.41/15,786.32 = 3,504.78/x
  3. Step 3: Cross multiply
    10,526.41x = 15,786.32 × 3,504.78
  4. Step 4: Simplify right side
    10,526.41x = 55,327,578.61
  5. Step 5: Solve for x
    x = 55,327,578.61/10,526.41
  6. Step 6: Final answer
    x = 5,256.08

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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.