Home / 10,474.23-15,709.55-3,454.32

Finding the Fourth Proportional to 10,474.23, 15,709.55 and 3,454.32

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Solution

The fourth proportional to 10,474.23, 15,709.55 and 3,454.32 is: 5,180.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,474.23 : 15,709.55 = 3,454.32 : x
  2. Step 2: Convert to fraction form
    10,474.23/15,709.55 = 3,454.32/x
  3. Step 3: Cross multiply
    10,474.23x = 15,709.55 × 3,454.32
  4. Step 4: Simplify right side
    10,474.23x = 54,265,812.76
  5. Step 5: Solve for x
    x = 54,265,812.76/10,474.23
  6. Step 6: Final answer
    x = 5,180.89

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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.