Home / 10,816.40-16,225.62-3,025.21

Finding the Fourth Proportional to 10,816.40, 16,225.62 and 3,025.21

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Solution

The fourth proportional to 10,816.40, 16,225.62 and 3,025.21 is: 4,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.40 : 16,225.62 = 3,025.21 : x
  2. Step 2: Convert to fraction form
    10,816.40/16,225.62 = 3,025.21/x
  3. Step 3: Cross multiply
    10,816.40x = 16,225.62 × 3,025.21
  4. Step 4: Simplify right side
    10,816.40x = 49,085,907.88
  5. Step 5: Solve for x
    x = 49,085,907.88/10,816.40
  6. Step 6: Final answer
    x = 4,538.10

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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.