Home / 12,076.58-16,658.01-8,724.32

Finding the Fourth Proportional to 12,076.58, 16,658.01 and 8,724.32

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Solution

The fourth proportional to 12,076.58, 16,658.01 and 8,724.32 is: 12,034.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.58 : 16,658.01 = 8,724.32 : x
  2. Step 2: Convert to fraction form
    12,076.58/16,658.01 = 8,724.32/x
  3. Step 3: Cross multiply
    12,076.58x = 16,658.01 × 8,724.32
  4. Step 4: Simplify right side
    12,076.58x = 145,329,809.80
  5. Step 5: Solve for x
    x = 145,329,809.80/12,076.58
  6. Step 6: Final answer
    x = 12,034.02

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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.