Home / 11,239.25-15,397.57-10,818.59

Finding the Fourth Proportional to 11,239.25, 15,397.57 and 10,818.59

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Solution

The fourth proportional to 11,239.25, 15,397.57 and 10,818.59 is: 14,821.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.25 : 15,397.57 = 10,818.59 : x
  2. Step 2: Convert to fraction form
    11,239.25/15,397.57 = 10,818.59/x
  3. Step 3: Cross multiply
    11,239.25x = 15,397.57 × 10,818.59
  4. Step 4: Simplify right side
    11,239.25x = 166,579,996.83
  5. Step 5: Solve for x
    x = 166,579,996.83/11,239.25
  6. Step 6: Final answer
    x = 14,821.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.