Home / 9,143.04-13,707-4,208.52

Finding the Fourth Proportional to 9,143.04, 13,707 and 4,208.52

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Solution

The fourth proportional to 9,143.04, 13,707 and 4,208.52 is: 6,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.04 : 13,707 = 4,208.52 : x
  2. Step 2: Convert to fraction form
    9,143.04/13,707 = 4,208.52/x
  3. Step 3: Cross multiply
    9,143.04x = 13,707 × 4,208.52
  4. Step 4: Simplify right side
    9,143.04x = 57,686,183.64
  5. Step 5: Solve for x
    x = 57,686,183.64/9,143.04
  6. Step 6: Final answer
    x = 6,309.30

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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.