Home / 12,273.36-18,410.65-3,509.57

Finding the Fourth Proportional to 12,273.36, 18,410.65 and 3,509.57

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Solution

The fourth proportional to 12,273.36, 18,410.65 and 3,509.57 is: 5,264.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,273.36 : 18,410.65 = 3,509.57 : x
  2. Step 2: Convert to fraction form
    12,273.36/18,410.65 = 3,509.57/x
  3. Step 3: Cross multiply
    12,273.36x = 18,410.65 × 3,509.57
  4. Step 4: Simplify right side
    12,273.36x = 64,613,464.92
  5. Step 5: Solve for x
    x = 64,613,464.92/12,273.36
  6. Step 6: Final answer
    x = 5,264.53

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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.