Home / 12,961.53-19,449.86-5,464.63

Finding the Fourth Proportional to 12,961.53, 19,449.86 and 5,464.63

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Solution

The fourth proportional to 12,961.53, 19,449.86 and 5,464.63 is: 8,200.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961.53 : 19,449.86 = 5,464.63 : x
  2. Step 2: Convert to fraction form
    12,961.53/19,449.86 = 5,464.63/x
  3. Step 3: Cross multiply
    12,961.53x = 19,449.86 × 5,464.63
  4. Step 4: Simplify right side
    12,961.53x = 106,286,332.23
  5. Step 5: Solve for x
    x = 106,286,332.23/12,961.53
  6. Step 6: Final answer
    x = 8,200.14

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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.