Home / 8,534.58-11,777.15-5,347.79

Finding the Fourth Proportional to 8,534.58, 11,777.15 and 5,347.79

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Solution

The fourth proportional to 8,534.58, 11,777.15 and 5,347.79 is: 7,379.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,534.58 : 11,777.15 = 5,347.79 : x
  2. Step 2: Convert to fraction form
    8,534.58/11,777.15 = 5,347.79/x
  3. Step 3: Cross multiply
    8,534.58x = 11,777.15 × 5,347.79
  4. Step 4: Simplify right side
    8,534.58x = 62,981,725.00
  5. Step 5: Solve for x
    x = 62,981,725.00/8,534.58
  6. Step 6: Final answer
    x = 7,379.59

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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.