Home / 9,150.79-13,713.87-3,602.64

Finding the Fourth Proportional to 9,150.79, 13,713.87 and 3,602.64

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Solution

The fourth proportional to 9,150.79, 13,713.87 and 3,602.64 is: 5,399.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.79 : 13,713.87 = 3,602.64 : x
  2. Step 2: Convert to fraction form
    9,150.79/13,713.87 = 3,602.64/x
  3. Step 3: Cross multiply
    9,150.79x = 13,713.87 × 3,602.64
  4. Step 4: Simplify right side
    9,150.79x = 49,406,136.62
  5. Step 5: Solve for x
    x = 49,406,136.62/9,150.79
  6. Step 6: Final answer
    x = 5,399.11

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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.