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Finding the Fourth Proportional to 8,110.99, 11,193.02 and 4,574.21

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Solution

The fourth proportional to 8,110.99, 11,193.02 and 4,574.21 is: 6,312.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.99 : 11,193.02 = 4,574.21 : x
  2. Step 2: Convert to fraction form
    8,110.99/11,193.02 = 4,574.21/x
  3. Step 3: Cross multiply
    8,110.99x = 11,193.02 × 4,574.21
  4. Step 4: Simplify right side
    8,110.99x = 51,199,162.33
  5. Step 5: Solve for x
    x = 51,199,162.33/8,110.99
  6. Step 6: Final answer
    x = 6,312.32

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Double scale
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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.