Home / 9,186.46-12,683.58-6,166.11

Finding the Fourth Proportional to 9,186.46, 12,683.58 and 6,166.11

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Solution

The fourth proportional to 9,186.46, 12,683.58 and 6,166.11 is: 8,513.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.46 : 12,683.58 = 6,166.11 : x
  2. Step 2: Convert to fraction form
    9,186.46/12,683.58 = 6,166.11/x
  3. Step 3: Cross multiply
    9,186.46x = 12,683.58 × 6,166.11
  4. Step 4: Simplify right side
    9,186.46x = 78,208,349.47
  5. Step 5: Solve for x
    x = 78,208,349.47/9,186.46
  6. Step 6: Final answer
    x = 8,513.44

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Half 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.