Home / 10,105.36-15,157.44-4,556.46

Finding the Fourth Proportional to 10,105.36, 15,157.44 and 4,556.46

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Solution

The fourth proportional to 10,105.36, 15,157.44 and 4,556.46 is: 6,834.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,105.36 : 15,157.44 = 4,556.46 : x
  2. Step 2: Convert to fraction form
    10,105.36/15,157.44 = 4,556.46/x
  3. Step 3: Cross multiply
    10,105.36x = 15,157.44 × 4,556.46
  4. Step 4: Simplify right side
    10,105.36x = 69,064,269.06
  5. Step 5: Solve for x
    x = 69,064,269.06/10,105.36
  6. Step 6: Final answer
    x = 6,834.42

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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.