Home / 10,922.12-16,362.62-6,466.60

Finding the Fourth Proportional to 10,922.12, 16,362.62 and 6,466.60

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Solution

The fourth proportional to 10,922.12, 16,362.62 and 6,466.60 is: 9,687.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922.12 : 16,362.62 = 6,466.60 : x
  2. Step 2: Convert to fraction form
    10,922.12/16,362.62 = 6,466.60/x
  3. Step 3: Cross multiply
    10,922.12x = 16,362.62 × 6,466.60
  4. Step 4: Simplify right side
    10,922.12x = 105,810,518.49
  5. Step 5: Solve for x
    x = 105,810,518.49/10,922.12
  6. Step 6: Final answer
    x = 9,687.73

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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.