Home / 12,736.07-19,105.13-4,842.36

Finding the Fourth Proportional to 12,736.07, 19,105.13 and 4,842.36

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Solution

The fourth proportional to 12,736.07, 19,105.13 and 4,842.36 is: 7,263.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736.07 : 19,105.13 = 4,842.36 : x
  2. Step 2: Convert to fraction form
    12,736.07/19,105.13 = 4,842.36/x
  3. Step 3: Cross multiply
    12,736.07x = 19,105.13 × 4,842.36
  4. Step 4: Simplify right side
    12,736.07x = 92,513,893.10
  5. Step 5: Solve for x
    x = 92,513,893.10/12,736.07
  6. Step 6: Final answer
    x = 7,263.93

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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.