Home / 12,736.94-17,582.91-8,495.06

Finding the Fourth Proportional to 12,736.94, 17,582.91 and 8,495.06

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Solution

The fourth proportional to 12,736.94, 17,582.91 and 8,495.06 is: 11,727.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736.94 : 17,582.91 = 8,495.06 : x
  2. Step 2: Convert to fraction form
    12,736.94/17,582.91 = 8,495.06/x
  3. Step 3: Cross multiply
    12,736.94x = 17,582.91 × 8,495.06
  4. Step 4: Simplify right side
    12,736.94x = 149,367,875.42
  5. Step 5: Solve for x
    x = 149,367,875.42/12,736.94
  6. Step 6: Final answer
    x = 11,727.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.