Home / 10,998.86-16,498.04-2,678.92

Finding the Fourth Proportional to 10,998.86, 16,498.04 and 2,678.92

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Solution

The fourth proportional to 10,998.86, 16,498.04 and 2,678.92 is: 4,018.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.86 : 16,498.04 = 2,678.92 : x
  2. Step 2: Convert to fraction form
    10,998.86/16,498.04 = 2,678.92/x
  3. Step 3: Cross multiply
    10,998.86x = 16,498.04 × 2,678.92
  4. Step 4: Simplify right side
    10,998.86x = 44,196,929.32
  5. Step 5: Solve for x
    x = 44,196,929.32/10,998.86
  6. Step 6: Final answer
    x = 4,018.32

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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.