Home / 9,938.55-13,716.50-6,412.02

Finding the Fourth Proportional to 9,938.55, 13,716.50 and 6,412.02

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Solution

The fourth proportional to 9,938.55, 13,716.50 and 6,412.02 is: 8,849.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.55 : 13,716.50 = 6,412.02 : x
  2. Step 2: Convert to fraction form
    9,938.55/13,716.50 = 6,412.02/x
  3. Step 3: Cross multiply
    9,938.55x = 13,716.50 × 6,412.02
  4. Step 4: Simplify right side
    9,938.55x = 87,950,440.27
  5. Step 5: Solve for x
    x = 87,950,440.27/9,938.55
  6. Step 6: Final answer
    x = 8,849.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.