Home / 10,922.40-16,383.60-5,376.60

Finding the Fourth Proportional to 10,922.40, 16,383.60 and 5,376.60

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Solution

The fourth proportional to 10,922.40, 16,383.60 and 5,376.60 is: 8,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922.40 : 16,383.60 = 5,376.60 : x
  2. Step 2: Convert to fraction form
    10,922.40/16,383.60 = 5,376.60/x
  3. Step 3: Cross multiply
    10,922.40x = 16,383.60 × 5,376.60
  4. Step 4: Simplify right side
    10,922.40x = 88,088,063.76
  5. Step 5: Solve for x
    x = 88,088,063.76/10,922.40
  6. Step 6: Final answer
    x = 8,064.90

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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.