Home / 8,039.68-12,076.80-5,966.08

Finding the Fourth Proportional to 8,039.68, 12,076.80 and 5,966.08

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Solution

The fourth proportional to 8,039.68, 12,076.80 and 5,966.08 is: 8,961.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,039.68 : 12,076.80 = 5,966.08 : x
  2. Step 2: Convert to fraction form
    8,039.68/12,076.80 = 5,966.08/x
  3. Step 3: Cross multiply
    8,039.68x = 12,076.80 × 5,966.08
  4. Step 4: Simplify right side
    8,039.68x = 72,051,154.94
  5. Step 5: Solve for x
    x = 72,051,154.94/8,039.68
  6. Step 6: Final answer
    x = 8,961.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.