Home / 9,194.39-12,688.67-7,072.19

Finding the Fourth Proportional to 9,194.39, 12,688.67 and 7,072.19

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Solution

The fourth proportional to 9,194.39, 12,688.67 and 7,072.19 is: 9,759.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,194.39 : 12,688.67 = 7,072.19 : x
  2. Step 2: Convert to fraction form
    9,194.39/12,688.67 = 7,072.19/x
  3. Step 3: Cross multiply
    9,194.39x = 12,688.67 × 7,072.19
  4. Step 4: Simplify right side
    9,194.39x = 89,736,639.32
  5. Step 5: Solve for x
    x = 89,736,639.32/9,194.39
  6. Step 6: Final answer
    x = 9,759.94

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Half scale
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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.