Home / 12,079.16-16,668.34-6,772.96

Finding the Fourth Proportional to 12,079.16, 16,668.34 and 6,772.96

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Solution

The fourth proportional to 12,079.16, 16,668.34 and 6,772.96 is: 9,346.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.16 : 16,668.34 = 6,772.96 : x
  2. Step 2: Convert to fraction form
    12,079.16/16,668.34 = 6,772.96/x
  3. Step 3: Cross multiply
    12,079.16x = 16,668.34 × 6,772.96
  4. Step 4: Simplify right side
    12,079.16x = 112,894,000.09
  5. Step 5: Solve for x
    x = 112,894,000.09/12,079.16
  6. Step 6: Final answer
    x = 9,346.18

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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.