Home / 10,367.28-15,556.86-5,441.40

Finding the Fourth Proportional to 10,367.28, 15,556.86 and 5,441.40

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Solution

The fourth proportional to 10,367.28, 15,556.86 and 5,441.40 is: 8,165.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.28 : 15,556.86 = 5,441.40 : x
  2. Step 2: Convert to fraction form
    10,367.28/15,556.86 = 5,441.40/x
  3. Step 3: Cross multiply
    10,367.28x = 15,556.86 × 5,441.40
  4. Step 4: Simplify right side
    10,367.28x = 84,651,098.00
  5. Step 5: Solve for x
    x = 84,651,098.00/10,367.28
  6. Step 6: Final answer
    x = 8,165.22

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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.