Home / 10,678.18-16,008.62-4,442.86

Finding the Fourth Proportional to 10,678.18, 16,008.62 and 4,442.86

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Solution

The fourth proportional to 10,678.18, 16,008.62 and 4,442.86 is: 6,660.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,678.18 : 16,008.62 = 4,442.86 : x
  2. Step 2: Convert to fraction form
    10,678.18/16,008.62 = 4,442.86/x
  3. Step 3: Cross multiply
    10,678.18x = 16,008.62 × 4,442.86
  4. Step 4: Simplify right side
    10,678.18x = 71,124,057.45
  5. Step 5: Solve for x
    x = 71,124,057.45/10,678.18
  6. Step 6: Final answer
    x = 6,660.69

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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.