Home / 9,876.02-13,629.18-5,400.02

Finding the Fourth Proportional to 9,876.02, 13,629.18 and 5,400.02

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Solution

The fourth proportional to 9,876.02, 13,629.18 and 5,400.02 is: 7,452.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,876.02 : 13,629.18 = 5,400.02 : x
  2. Step 2: Convert to fraction form
    9,876.02/13,629.18 = 5,400.02/x
  3. Step 3: Cross multiply
    9,876.02x = 13,629.18 × 5,400.02
  4. Step 4: Simplify right side
    9,876.02x = 73,597,776.44
  5. Step 5: Solve for x
    x = 73,597,776.44/9,876.02
  6. Step 6: Final answer
    x = 7,452.17

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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.