Home / 10,586.03-15,871.55-5,317.25

Finding the Fourth Proportional to 10,586.03, 15,871.55 and 5,317.25

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Solution

The fourth proportional to 10,586.03, 15,871.55 and 5,317.25 is: 7,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,586.03 : 15,871.55 = 5,317.25 : x
  2. Step 2: Convert to fraction form
    10,586.03/15,871.55 = 5,317.25/x
  3. Step 3: Cross multiply
    10,586.03x = 15,871.55 × 5,317.25
  4. Step 4: Simplify right side
    10,586.03x = 84,392,893.29
  5. Step 5: Solve for x
    x = 84,392,893.29/10,586.03
  6. Step 6: Final answer
    x = 7,972.10

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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.