Home / 12,736.34-19,098.36-5,338.81

Finding the Fourth Proportional to 12,736.34, 19,098.36 and 5,338.81

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Solution

The fourth proportional to 12,736.34, 19,098.36 and 5,338.81 is: 8,005.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736.34 : 19,098.36 = 5,338.81 : x
  2. Step 2: Convert to fraction form
    12,736.34/19,098.36 = 5,338.81/x
  3. Step 3: Cross multiply
    12,736.34x = 19,098.36 × 5,338.81
  4. Step 4: Simplify right side
    12,736.34x = 101,962,539.22
  5. Step 5: Solve for x
    x = 101,962,539.22/12,736.34
  6. Step 6: Final answer
    x = 8,005.64

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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.