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Finding the Fourth Proportional to 8,246.55, 12,369.83 and 7,411.35

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Solution

The fourth proportional to 8,246.55, 12,369.83 and 7,411.35 is: 11,117.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.55 : 12,369.83 = 7,411.35 : x
  2. Step 2: Convert to fraction form
    8,246.55/12,369.83 = 7,411.35/x
  3. Step 3: Cross multiply
    8,246.55x = 12,369.83 × 7,411.35
  4. Step 4: Simplify right side
    8,246.55x = 91,677,102.51
  5. Step 5: Solve for x
    x = 91,677,102.51/8,246.55
  6. Step 6: Final answer
    x = 11,117.03

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Similar ratio
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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.