Home / 10,729.42-16,097.48-4,811.27

Finding the Fourth Proportional to 10,729.42, 16,097.48 and 4,811.27

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Solution

The fourth proportional to 10,729.42, 16,097.48 and 4,811.27 is: 7,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,729.42 : 16,097.48 = 4,811.27 : x
  2. Step 2: Convert to fraction form
    10,729.42/16,097.48 = 4,811.27/x
  3. Step 3: Cross multiply
    10,729.42x = 16,097.48 × 4,811.27
  4. Step 4: Simplify right side
    10,729.42x = 77,449,254.14
  5. Step 5: Solve for x
    x = 77,449,254.14/10,729.42
  6. Step 6: Final answer
    x = 7,218.40

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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.