Home / 13,130.04-19,695.05-3,896.04

Finding the Fourth Proportional to 13,130.04, 19,695.05 and 3,896.04

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Solution

The fourth proportional to 13,130.04, 19,695.05 and 3,896.04 is: 5,844.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,130.04 : 19,695.05 = 3,896.04 : x
  2. Step 2: Convert to fraction form
    13,130.04/19,695.05 = 3,896.04/x
  3. Step 3: Cross multiply
    13,130.04x = 19,695.05 × 3,896.04
  4. Step 4: Simplify right side
    13,130.04x = 76,732,702.60
  5. Step 5: Solve for x
    x = 76,732,702.60/13,130.04
  6. Step 6: Final answer
    x = 5,844.06

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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.