Home / 8,524.52-11,762.64-5,166.79

Finding the Fourth Proportional to 8,524.52, 11,762.64 and 5,166.79

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Solution

The fourth proportional to 8,524.52, 11,762.64 and 5,166.79 is: 7,129.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,524.52 : 11,762.64 = 5,166.79 : x
  2. Step 2: Convert to fraction form
    8,524.52/11,762.64 = 5,166.79/x
  3. Step 3: Cross multiply
    8,524.52x = 11,762.64 × 5,166.79
  4. Step 4: Simplify right side
    8,524.52x = 60,775,075.85
  5. Step 5: Solve for x
    x = 60,775,075.85/8,524.52
  6. Step 6: Final answer
    x = 7,129.45

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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.