Home / 10,983.79-16,465.66-4,739.91

Finding the Fourth Proportional to 10,983.79, 16,465.66 and 4,739.91

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Solution

The fourth proportional to 10,983.79, 16,465.66 and 4,739.91 is: 7,105.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.79 : 16,465.66 = 4,739.91 : x
  2. Step 2: Convert to fraction form
    10,983.79/16,465.66 = 4,739.91/x
  3. Step 3: Cross multiply
    10,983.79x = 16,465.66 × 4,739.91
  4. Step 4: Simplify right side
    10,983.79x = 78,045,746.49
  5. Step 5: Solve for x
    x = 78,045,746.49/10,983.79
  6. Step 6: Final answer
    x = 7,105.54

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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.