Home / 9,192.36-12,673.62-6,678.12

Finding the Fourth Proportional to 9,192.36, 12,673.62 and 6,678.12

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Solution

The fourth proportional to 9,192.36, 12,673.62 and 6,678.12 is: 9,207.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.36 : 12,673.62 = 6,678.12 : x
  2. Step 2: Convert to fraction form
    9,192.36/12,673.62 = 6,678.12/x
  3. Step 3: Cross multiply
    9,192.36x = 12,673.62 × 6,678.12
  4. Step 4: Simplify right side
    9,192.36x = 84,635,955.19
  5. Step 5: Solve for x
    x = 84,635,955.19/9,192.36
  6. Step 6: Final answer
    x = 9,207.21

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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.