Home / 8,576.69-11,837.79-5,587.31

Finding the Fourth Proportional to 8,576.69, 11,837.79 and 5,587.31

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Solution

The fourth proportional to 8,576.69, 11,837.79 and 5,587.31 is: 7,711.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,576.69 : 11,837.79 = 5,587.31 : x
  2. Step 2: Convert to fraction form
    8,576.69/11,837.79 = 5,587.31/x
  3. Step 3: Cross multiply
    8,576.69x = 11,837.79 × 5,587.31
  4. Step 4: Simplify right side
    8,576.69x = 66,141,343.26
  5. Step 5: Solve for x
    x = 66,141,343.26/8,576.69
  6. Step 6: Final answer
    x = 7,711.76

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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.