Home / 11,615.04-16,021.80-10,837.44

Finding the Fourth Proportional to 11,615.04, 16,021.80 and 10,837.44

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Solution

The fourth proportional to 11,615.04, 16,021.80 and 10,837.44 is: 14,949.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.04 : 16,021.80 = 10,837.44 : x
  2. Step 2: Convert to fraction form
    11,615.04/16,021.80 = 10,837.44/x
  3. Step 3: Cross multiply
    11,615.04x = 16,021.80 × 10,837.44
  4. Step 4: Simplify right side
    11,615.04x = 173,635,296.19
  5. Step 5: Solve for x
    x = 173,635,296.19/11,615.04
  6. Step 6: Final answer
    x = 14,949.18

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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.