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Finding the Fourth Proportional to 8,337.83, 12,556.05 and 7,255.26

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Solution

The fourth proportional to 8,337.83, 12,556.05 and 7,255.26 is: 10,925.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,337.83 : 12,556.05 = 7,255.26 : x
  2. Step 2: Convert to fraction form
    8,337.83/12,556.05 = 7,255.26/x
  3. Step 3: Cross multiply
    8,337.83x = 12,556.05 × 7,255.26
  4. Step 4: Simplify right side
    8,337.83x = 91,097,407.32
  5. Step 5: Solve for x
    x = 91,097,407.32/8,337.83
  6. Step 6: Final answer
    x = 10,925.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.