Home / 10,366.70-15,548.40-3,441.20

Finding the Fourth Proportional to 10,366.70, 15,548.40 and 3,441.20

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Solution

The fourth proportional to 10,366.70, 15,548.40 and 3,441.20 is: 5,161.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.70 : 15,548.40 = 3,441.20 : x
  2. Step 2: Convert to fraction form
    10,366.70/15,548.40 = 3,441.20/x
  3. Step 3: Cross multiply
    10,366.70x = 15,548.40 × 3,441.20
  4. Step 4: Simplify right side
    10,366.70x = 53,505,154.08
  5. Step 5: Solve for x
    x = 53,505,154.08/10,366.70
  6. Step 6: Final answer
    x = 5,161.25

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1.5x scale

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.