Home / 10,912.37-16,368.95-3,516.93

Finding the Fourth Proportional to 10,912.37, 16,368.95 and 3,516.93

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Solution

The fourth proportional to 10,912.37, 16,368.95 and 3,516.93 is: 5,275.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.37 : 16,368.95 = 3,516.93 : x
  2. Step 2: Convert to fraction form
    10,912.37/16,368.95 = 3,516.93/x
  3. Step 3: Cross multiply
    10,912.37x = 16,368.95 × 3,516.93
  4. Step 4: Simplify right side
    10,912.37x = 57,568,460.12
  5. Step 5: Solve for x
    x = 57,568,460.12/10,912.37
  6. Step 6: Final answer
    x = 5,275.53

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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.