Home / 11,239.83-15,507.72-7,263.27

Finding the Fourth Proportional to 11,239.83, 15,507.72 and 7,263.27

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Solution

The fourth proportional to 11,239.83, 15,507.72 and 7,263.27 is: 10,021.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.83 : 15,507.72 = 7,263.27 : x
  2. Step 2: Convert to fraction form
    11,239.83/15,507.72 = 7,263.27/x
  3. Step 3: Cross multiply
    11,239.83x = 15,507.72 × 7,263.27
  4. Step 4: Simplify right side
    11,239.83x = 112,636,757.44
  5. Step 5: Solve for x
    x = 112,636,757.44/11,239.83
  6. Step 6: Final answer
    x = 10,021.22

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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.