Home / 11,135.45-16,703.18-4,975.13

Finding the Fourth Proportional to 11,135.45, 16,703.18 and 4,975.13

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Solution

The fourth proportional to 11,135.45, 16,703.18 and 4,975.13 is: 7,462.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.45 : 16,703.18 = 4,975.13 : x
  2. Step 2: Convert to fraction form
    11,135.45/16,703.18 = 4,975.13/x
  3. Step 3: Cross multiply
    11,135.45x = 16,703.18 × 4,975.13
  4. Step 4: Simplify right side
    11,135.45x = 83,100,383.52
  5. Step 5: Solve for x
    x = 83,100,383.52/11,135.45
  6. Step 6: Final answer
    x = 7,462.69

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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.