Home / 8,274.81-11,419.46-4,498.23

Finding the Fourth Proportional to 8,274.81, 11,419.46 and 4,498.23

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Solution

The fourth proportional to 8,274.81, 11,419.46 and 4,498.23 is: 6,207.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,274.81 : 11,419.46 = 4,498.23 : x
  2. Step 2: Convert to fraction form
    8,274.81/11,419.46 = 4,498.23/x
  3. Step 3: Cross multiply
    8,274.81x = 11,419.46 × 4,498.23
  4. Step 4: Simplify right side
    8,274.81x = 51,367,411.62
  5. Step 5: Solve for x
    x = 51,367,411.62/8,274.81
  6. Step 6: Final answer
    x = 6,207.68

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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.