Home / 10,074.54-15,107.90-3,409.26

Finding the Fourth Proportional to 10,074.54, 15,107.90 and 3,409.26

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Solution

The fourth proportional to 10,074.54, 15,107.90 and 3,409.26 is: 5,112.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,074.54 : 15,107.90 = 3,409.26 : x
  2. Step 2: Convert to fraction form
    10,074.54/15,107.90 = 3,409.26/x
  3. Step 3: Cross multiply
    10,074.54x = 15,107.90 × 3,409.26
  4. Step 4: Simplify right side
    10,074.54x = 51,506,685.45
  5. Step 5: Solve for x
    x = 51,506,685.45/10,074.54
  6. Step 6: Final answer
    x = 5,112.56

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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.