Home / 11,274.45-15,559.93-6,494.59

Finding the Fourth Proportional to 11,274.45, 15,559.93 and 6,494.59

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Solution

The fourth proportional to 11,274.45, 15,559.93 and 6,494.59 is: 8,963.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.45 : 15,559.93 = 6,494.59 : x
  2. Step 2: Convert to fraction form
    11,274.45/15,559.93 = 6,494.59/x
  3. Step 3: Cross multiply
    11,274.45x = 15,559.93 × 6,494.59
  4. Step 4: Simplify right side
    11,274.45x = 101,055,393.35
  5. Step 5: Solve for x
    x = 101,055,393.35/11,274.45
  6. Step 6: Final answer
    x = 8,963.22

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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.