Home / 9,917.36-14,855.79-5,537.15

Finding the Fourth Proportional to 9,917.36, 14,855.79 and 5,537.15

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Solution

The fourth proportional to 9,917.36, 14,855.79 and 5,537.15 is: 8,294.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,917.36 : 14,855.79 = 5,537.15 : x
  2. Step 2: Convert to fraction form
    9,917.36/14,855.79 = 5,537.15/x
  3. Step 3: Cross multiply
    9,917.36x = 14,855.79 × 5,537.15
  4. Step 4: Simplify right side
    9,917.36x = 82,258,737.60
  5. Step 5: Solve for x
    x = 82,258,737.60/9,917.36
  6. Step 6: Final answer
    x = 8,294.42

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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.