Home / 9,983.28-14,973.34-3,319.23

Finding the Fourth Proportional to 9,983.28, 14,973.34 and 3,319.23

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Solution

The fourth proportional to 9,983.28, 14,973.34 and 3,319.23 is: 4,978.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983.28 : 14,973.34 = 3,319.23 : x
  2. Step 2: Convert to fraction form
    9,983.28/14,973.34 = 3,319.23/x
  3. Step 3: Cross multiply
    9,983.28x = 14,973.34 × 3,319.23
  4. Step 4: Simplify right side
    9,983.28x = 49,699,913.60
  5. Step 5: Solve for x
    x = 49,699,913.60/9,983.28
  6. Step 6: Final answer
    x = 4,978.31

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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.