Home / 10,121.73-15,173.34-3,544.32

Finding the Fourth Proportional to 10,121.73, 15,173.34 and 3,544.32

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Solution

The fourth proportional to 10,121.73, 15,173.34 and 3,544.32 is: 5,313.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121.73 : 15,173.34 = 3,544.32 : x
  2. Step 2: Convert to fraction form
    10,121.73/15,173.34 = 3,544.32/x
  3. Step 3: Cross multiply
    10,121.73x = 15,173.34 × 3,544.32
  4. Step 4: Simplify right side
    10,121.73x = 53,779,172.43
  5. Step 5: Solve for x
    x = 53,779,172.43/10,121.73
  6. Step 6: Final answer
    x = 5,313.24

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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.