Home / 8,282.79-11,430.36-4,556.79

Finding the Fourth Proportional to 8,282.79, 11,430.36 and 4,556.79

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Solution

The fourth proportional to 8,282.79, 11,430.36 and 4,556.79 is: 6,288.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282.79 : 11,430.36 = 4,556.79 : x
  2. Step 2: Convert to fraction form
    8,282.79/11,430.36 = 4,556.79/x
  3. Step 3: Cross multiply
    8,282.79x = 11,430.36 × 4,556.79
  4. Step 4: Simplify right side
    8,282.79x = 52,085,750.14
  5. Step 5: Solve for x
    x = 52,085,750.14/8,282.79
  6. Step 6: Final answer
    x = 6,288.43

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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.