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Finding the Fourth Proportional to 11,484.16, 15,845.22 and 7,007.62

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Solution

The fourth proportional to 11,484.16, 15,845.22 and 7,007.62 is: 9,668.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,484.16 : 15,845.22 = 7,007.62 : x
  2. Step 2: Convert to fraction form
    11,484.16/15,845.22 = 7,007.62/x
  3. Step 3: Cross multiply
    11,484.16x = 15,845.22 × 7,007.62
  4. Step 4: Simplify right side
    11,484.16x = 111,037,280.58
  5. Step 5: Solve for x
    x = 111,037,280.58/11,484.16
  6. Step 6: Final answer
    x = 9,668.73

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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.