Home / 11,275.56-15,556.48-6,555.96

Finding the Fourth Proportional to 11,275.56, 15,556.48 and 6,555.96

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Solution

The fourth proportional to 11,275.56, 15,556.48 and 6,555.96 is: 9,045.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.56 : 15,556.48 = 6,555.96 : x
  2. Step 2: Convert to fraction form
    11,275.56/15,556.48 = 6,555.96/x
  3. Step 3: Cross multiply
    11,275.56x = 15,556.48 × 6,555.96
  4. Step 4: Simplify right side
    11,275.56x = 101,987,660.62
  5. Step 5: Solve for x
    x = 101,987,660.62/11,275.56
  6. Step 6: Final answer
    x = 9,045.02

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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.