Home / 8,784.09-12,126.44-5,966.37

Finding the Fourth Proportional to 8,784.09, 12,126.44 and 5,966.37

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Solution

The fourth proportional to 8,784.09, 12,126.44 and 5,966.37 is: 8,236.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.09 : 12,126.44 = 5,966.37 : x
  2. Step 2: Convert to fraction form
    8,784.09/12,126.44 = 5,966.37/x
  3. Step 3: Cross multiply
    8,784.09x = 12,126.44 × 5,966.37
  4. Step 4: Simplify right side
    8,784.09x = 72,350,842.74
  5. Step 5: Solve for x
    x = 72,350,842.74/8,784.09
  6. Step 6: Final answer
    x = 8,236.58

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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.