Home / 10,922.23-16,383.35-4,678.21

Finding the Fourth Proportional to 10,922.23, 16,383.35 and 4,678.21

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Solution

The fourth proportional to 10,922.23, 16,383.35 and 4,678.21 is: 7,017.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922.23 : 16,383.35 = 4,678.21 : x
  2. Step 2: Convert to fraction form
    10,922.23/16,383.35 = 4,678.21/x
  3. Step 3: Cross multiply
    10,922.23x = 16,383.35 × 4,678.21
  4. Step 4: Simplify right side
    10,922.23x = 76,644,783.98
  5. Step 5: Solve for x
    x = 76,644,783.98/10,922.23
  6. Step 6: Final answer
    x = 7,017.32

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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.