Home / 9,438.56-13,024.94-5,189.62

Finding the Fourth Proportional to 9,438.56, 13,024.94 and 5,189.62

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Solution

The fourth proportional to 9,438.56, 13,024.94 and 5,189.62 is: 7,161.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.56 : 13,024.94 = 5,189.62 : x
  2. Step 2: Convert to fraction form
    9,438.56/13,024.94 = 5,189.62/x
  3. Step 3: Cross multiply
    9,438.56x = 13,024.94 × 5,189.62
  4. Step 4: Simplify right side
    9,438.56x = 67,594,406.19
  5. Step 5: Solve for x
    x = 67,594,406.19/9,438.56
  6. Step 6: Final answer
    x = 7,161.52

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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.