Home / 12,007.30-16,571.18-6,630.70

Finding the Fourth Proportional to 12,007.30, 16,571.18 and 6,630.70

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Solution

The fourth proportional to 12,007.30, 16,571.18 and 6,630.70 is: 9,150.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,007.30 : 16,571.18 = 6,630.70 : x
  2. Step 2: Convert to fraction form
    12,007.30/16,571.18 = 6,630.70/x
  3. Step 3: Cross multiply
    12,007.30x = 16,571.18 × 6,630.70
  4. Step 4: Simplify right side
    12,007.30x = 109,878,523.23
  5. Step 5: Solve for x
    x = 109,878,523.23/12,007.30
  6. Step 6: Final answer
    x = 9,150.98

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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.