Home / 10,878.56-16,325.12-3,953.06

Finding the Fourth Proportional to 10,878.56, 16,325.12 and 3,953.06

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Solution

The fourth proportional to 10,878.56, 16,325.12 and 3,953.06 is: 5,932.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878.56 : 16,325.12 = 3,953.06 : x
  2. Step 2: Convert to fraction form
    10,878.56/16,325.12 = 3,953.06/x
  3. Step 3: Cross multiply
    10,878.56x = 16,325.12 × 3,953.06
  4. Step 4: Simplify right side
    10,878.56x = 64,534,178.87
  5. Step 5: Solve for x
    x = 64,534,178.87/10,878.56
  6. Step 6: Final answer
    x = 5,932.24

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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.