Home / 10,094.36-13,930.12-5,556.90

Finding the Fourth Proportional to 10,094.36, 13,930.12 and 5,556.90

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Solution

The fourth proportional to 10,094.36, 13,930.12 and 5,556.90 is: 7,668.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,094.36 : 13,930.12 = 5,556.90 : x
  2. Step 2: Convert to fraction form
    10,094.36/13,930.12 = 5,556.90/x
  3. Step 3: Cross multiply
    10,094.36x = 13,930.12 × 5,556.90
  4. Step 4: Simplify right side
    10,094.36x = 77,408,269.94
  5. Step 5: Solve for x
    x = 77,408,269.94/10,094.36
  6. Step 6: Final answer
    x = 7,668.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.