Home / 12,382.08-17,087.20-6,792.96

Finding the Fourth Proportional to 12,382.08, 17,087.20 and 6,792.96

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Solution

The fourth proportional to 12,382.08, 17,087.20 and 6,792.96 is: 9,374.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382.08 : 17,087.20 = 6,792.96 : x
  2. Step 2: Convert to fraction form
    12,382.08/17,087.20 = 6,792.96/x
  3. Step 3: Cross multiply
    12,382.08x = 17,087.20 × 6,792.96
  4. Step 4: Simplify right side
    12,382.08x = 116,072,666.11
  5. Step 5: Solve for x
    x = 116,072,666.11/12,382.08
  6. Step 6: Final answer
    x = 9,374.25

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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.