Home / 10,522.89-15,772.40-3,501.25

Finding the Fourth Proportional to 10,522.89, 15,772.40 and 3,501.25

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Solution

The fourth proportional to 10,522.89, 15,772.40 and 3,501.25 is: 5,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,522.89 : 15,772.40 = 3,501.25 : x
  2. Step 2: Convert to fraction form
    10,522.89/15,772.40 = 3,501.25/x
  3. Step 3: Cross multiply
    10,522.89x = 15,772.40 × 3,501.25
  4. Step 4: Simplify right side
    10,522.89x = 55,223,084.82
  5. Step 5: Solve for x
    x = 55,223,084.82/10,522.89
  6. Step 6: Final answer
    x = 5,247.90

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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.