Home / 8,719.94-12,033.27-4,740.96

Finding the Fourth Proportional to 8,719.94, 12,033.27 and 4,740.96

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Solution

The fourth proportional to 8,719.94, 12,033.27 and 4,740.96 is: 6,542.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.94 : 12,033.27 = 4,740.96 : x
  2. Step 2: Convert to fraction form
    8,719.94/12,033.27 = 4,740.96/x
  3. Step 3: Cross multiply
    8,719.94x = 12,033.27 × 4,740.96
  4. Step 4: Simplify right side
    8,719.94x = 57,049,251.74
  5. Step 5: Solve for x
    x = 57,049,251.74/8,719.94
  6. Step 6: Final answer
    x = 6,542.39

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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.