Home / 9,111.44-12,582.81-6,286.12

Finding the Fourth Proportional to 9,111.44, 12,582.81 and 6,286.12

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Solution

The fourth proportional to 9,111.44, 12,582.81 and 6,286.12 is: 8,681.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111.44 : 12,582.81 = 6,286.12 : x
  2. Step 2: Convert to fraction form
    9,111.44/12,582.81 = 6,286.12/x
  3. Step 3: Cross multiply
    9,111.44x = 12,582.81 × 6,286.12
  4. Step 4: Simplify right side
    9,111.44x = 79,097,022.14
  5. Step 5: Solve for x
    x = 79,097,022.14/9,111.44
  6. Step 6: Final answer
    x = 8,681.06

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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.