Home / 11,239.13-16,858.69-3,031.13

Finding the Fourth Proportional to 11,239.13, 16,858.69 and 3,031.13

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Solution

The fourth proportional to 11,239.13, 16,858.69 and 3,031.13 is: 4,546.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.13 : 16,858.69 = 3,031.13 : x
  2. Step 2: Convert to fraction form
    11,239.13/16,858.69 = 3,031.13/x
  3. Step 3: Cross multiply
    11,239.13x = 16,858.69 × 3,031.13
  4. Step 4: Simplify right side
    11,239.13x = 51,100,881.02
  5. Step 5: Solve for x
    x = 51,100,881.02/11,239.13
  6. Step 6: Final answer
    x = 4,546.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.