Home / 9,438.41-13,025.03-5,189.46

Finding the Fourth Proportional to 9,438.41, 13,025.03 and 5,189.46

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Solution

The fourth proportional to 9,438.41, 13,025.03 and 5,189.46 is: 7,161.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.41 : 13,025.03 = 5,189.46 : x
  2. Step 2: Convert to fraction form
    9,438.41/13,025.03 = 5,189.46/x
  3. Step 3: Cross multiply
    9,438.41x = 13,025.03 × 5,189.46
  4. Step 4: Simplify right side
    9,438.41x = 67,592,846.24
  5. Step 5: Solve for x
    x = 67,592,846.24/9,438.41
  6. Step 6: Final answer
    x = 7,161.47

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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.