Home / 10,814.88-16,216.80-5,268.48

Finding the Fourth Proportional to 10,814.88, 16,216.80 and 5,268.48

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Solution

The fourth proportional to 10,814.88, 16,216.80 and 5,268.48 is: 7,900.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,814.88 : 16,216.80 = 5,268.48 : x
  2. Step 2: Convert to fraction form
    10,814.88/16,216.80 = 5,268.48/x
  3. Step 3: Cross multiply
    10,814.88x = 16,216.80 × 5,268.48
  4. Step 4: Simplify right side
    10,814.88x = 85,437,886.46
  5. Step 5: Solve for x
    x = 85,437,886.46/10,814.88
  6. Step 6: Final answer
    x = 7,900.03

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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.