Home / 8,564.31-11,824.25-5,381.96

Finding the Fourth Proportional to 8,564.31, 11,824.25 and 5,381.96

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Solution

The fourth proportional to 8,564.31, 11,824.25 and 5,381.96 is: 7,430.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,564.31 : 11,824.25 = 5,381.96 : x
  2. Step 2: Convert to fraction form
    8,564.31/11,824.25 = 5,381.96/x
  3. Step 3: Cross multiply
    8,564.31x = 11,824.25 × 5,381.96
  4. Step 4: Simplify right side
    8,564.31x = 63,637,554.50
  5. Step 5: Solve for x
    x = 63,637,554.50/8,564.31
  6. Step 6: Final answer
    x = 7,430.55

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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.