Home / 9,539.25-13,163.09-5,347.41

Finding the Fourth Proportional to 9,539.25, 13,163.09 and 5,347.41

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Solution

The fourth proportional to 9,539.25, 13,163.09 and 5,347.41 is: 7,378.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539.25 : 13,163.09 = 5,347.41 : x
  2. Step 2: Convert to fraction form
    9,539.25/13,163.09 = 5,347.41/x
  3. Step 3: Cross multiply
    9,539.25x = 13,163.09 × 5,347.41
  4. Step 4: Simplify right side
    9,539.25x = 70,388,439.10
  5. Step 5: Solve for x
    x = 70,388,439.10/9,539.25
  6. Step 6: Final answer
    x = 7,378.82

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1.5x scale

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.