Home / 11,623.92-17,428.86-4,690.32

Finding the Fourth Proportional to 11,623.92, 17,428.86 and 4,690.32

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Solution

The fourth proportional to 11,623.92, 17,428.86 and 4,690.32 is: 7,032.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.92 : 17,428.86 = 4,690.32 : x
  2. Step 2: Convert to fraction form
    11,623.92/17,428.86 = 4,690.32/x
  3. Step 3: Cross multiply
    11,623.92x = 17,428.86 × 4,690.32
  4. Step 4: Simplify right side
    11,623.92x = 81,746,930.64
  5. Step 5: Solve for x
    x = 81,746,930.64/11,623.92
  6. Step 6: Final answer
    x = 7,032.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.