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Finding the Fourth Proportional to 10,668.65, 14,723.10 and 5,953.82

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Solution

The fourth proportional to 10,668.65, 14,723.10 and 5,953.82 is: 8,216.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.65 : 14,723.10 = 5,953.82 : x
  2. Step 2: Convert to fraction form
    10,668.65/14,723.10 = 5,953.82/x
  3. Step 3: Cross multiply
    10,668.65x = 14,723.10 × 5,953.82
  4. Step 4: Simplify right side
    10,668.65x = 87,658,613.63
  5. Step 5: Solve for x
    x = 87,658,613.63/10,668.65
  6. Step 6: Final answer
    x = 8,216.47

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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.