Home / 12,668.56-19,002.90-4,348.66

Finding the Fourth Proportional to 12,668.56, 19,002.90 and 4,348.66

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Solution

The fourth proportional to 12,668.56, 19,002.90 and 4,348.66 is: 6,523.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,668.56 : 19,002.90 = 4,348.66 : x
  2. Step 2: Convert to fraction form
    12,668.56/19,002.90 = 4,348.66/x
  3. Step 3: Cross multiply
    12,668.56x = 19,002.90 × 4,348.66
  4. Step 4: Simplify right side
    12,668.56x = 82,637,151.11
  5. Step 5: Solve for x
    x = 82,637,151.11/12,668.56
  6. Step 6: Final answer
    x = 6,523.01

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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.