Home / 10,327.92-15,390.23-9,704.56

Finding the Fourth Proportional to 10,327.92, 15,390.23 and 9,704.56

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Solution

The fourth proportional to 10,327.92, 15,390.23 and 9,704.56 is: 14,461.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,327.92 : 15,390.23 = 9,704.56 : x
  2. Step 2: Convert to fraction form
    10,327.92/15,390.23 = 9,704.56/x
  3. Step 3: Cross multiply
    10,327.92x = 15,390.23 × 9,704.56
  4. Step 4: Simplify right side
    10,327.92x = 149,355,410.45
  5. Step 5: Solve for x
    x = 149,355,410.45/10,327.92
  6. Step 6: Final answer
    x = 14,461.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.