Home / 9,556.50-13,188.30-5,307.63

Finding the Fourth Proportional to 9,556.50, 13,188.30 and 5,307.63

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Solution

The fourth proportional to 9,556.50, 13,188.30 and 5,307.63 is: 7,324.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,556.50 : 13,188.30 = 5,307.63 : x
  2. Step 2: Convert to fraction form
    9,556.50/13,188.30 = 5,307.63/x
  3. Step 3: Cross multiply
    9,556.50x = 13,188.30 × 5,307.63
  4. Step 4: Simplify right side
    9,556.50x = 69,998,577.22
  5. Step 5: Solve for x
    x = 69,998,577.22/9,556.50
  6. Step 6: Final answer
    x = 7,324.71

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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.