Home / 10,065.33-13,890.08-5,528.09

Finding the Fourth Proportional to 10,065.33, 13,890.08 and 5,528.09

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Solution

The fourth proportional to 10,065.33, 13,890.08 and 5,528.09 is: 7,628.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065.33 : 13,890.08 = 5,528.09 : x
  2. Step 2: Convert to fraction form
    10,065.33/13,890.08 = 5,528.09/x
  3. Step 3: Cross multiply
    10,065.33x = 13,890.08 × 5,528.09
  4. Step 4: Simplify right side
    10,065.33x = 76,785,515.26
  5. Step 5: Solve for x
    x = 76,785,515.26/10,065.33
  6. Step 6: Final answer
    x = 7,628.71

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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.