Home / 11,274.71-15,558.91-6,238.84

Finding the Fourth Proportional to 11,274.71, 15,558.91 and 6,238.84

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Solution

The fourth proportional to 11,274.71, 15,558.91 and 6,238.84 is: 8,609.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.71 : 15,558.91 = 6,238.84 : x
  2. Step 2: Convert to fraction form
    11,274.71/15,558.91 = 6,238.84/x
  3. Step 3: Cross multiply
    11,274.71x = 15,558.91 × 6,238.84
  4. Step 4: Simplify right side
    11,274.71x = 97,069,550.06
  5. Step 5: Solve for x
    x = 97,069,550.06/11,274.71
  6. Step 6: Final answer
    x = 8,609.49

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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.