Home / 9,336.50-12,877.79-5,556.75

Finding the Fourth Proportional to 9,336.50, 12,877.79 and 5,556.75

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Solution

The fourth proportional to 9,336.50, 12,877.79 and 5,556.75 is: 7,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,336.50 : 12,877.79 = 5,556.75 : x
  2. Step 2: Convert to fraction form
    9,336.50/12,877.79 = 5,556.75/x
  3. Step 3: Cross multiply
    9,336.50x = 12,877.79 × 5,556.75
  4. Step 4: Simplify right side
    9,336.50x = 71,558,655.94
  5. Step 5: Solve for x
    x = 71,558,655.94/9,336.50
  6. Step 6: Final answer
    x = 7,664.40

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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.