Home / 11,438.36-17,151.60-5,890.40

Finding the Fourth Proportional to 11,438.36, 17,151.60 and 5,890.40

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Solution

The fourth proportional to 11,438.36, 17,151.60 and 5,890.40 is: 8,832.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,438.36 : 17,151.60 = 5,890.40 : x
  2. Step 2: Convert to fraction form
    11,438.36/17,151.60 = 5,890.40/x
  3. Step 3: Cross multiply
    11,438.36x = 17,151.60 × 5,890.40
  4. Step 4: Simplify right side
    11,438.36x = 101,029,784.64
  5. Step 5: Solve for x
    x = 101,029,784.64/11,438.36
  6. Step 6: Final answer
    x = 8,832.54

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1.5x scale

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.