Home / 10,603.24-15,904.70-4,028.20

Finding the Fourth Proportional to 10,603.24, 15,904.70 and 4,028.20

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Solution

The fourth proportional to 10,603.24, 15,904.70 and 4,028.20 is: 6,042.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603.24 : 15,904.70 = 4,028.20 : x
  2. Step 2: Convert to fraction form
    10,603.24/15,904.70 = 4,028.20/x
  3. Step 3: Cross multiply
    10,603.24x = 15,904.70 × 4,028.20
  4. Step 4: Simplify right side
    10,603.24x = 64,067,312.54
  5. Step 5: Solve for x
    x = 64,067,312.54/10,603.24
  6. Step 6: Final answer
    x = 6,042.24

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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.