Home / 10,112.99-15,245.21-9,435.62

Finding the Fourth Proportional to 10,112.99, 15,245.21 and 9,435.62

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Solution

The fourth proportional to 10,112.99, 15,245.21 and 9,435.62 is: 14,224.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.99 : 15,245.21 = 9,435.62 : x
  2. Step 2: Convert to fraction form
    10,112.99/15,245.21 = 9,435.62/x
  3. Step 3: Cross multiply
    10,112.99x = 15,245.21 × 9,435.62
  4. Step 4: Simplify right side
    10,112.99x = 143,847,884.98
  5. Step 5: Solve for x
    x = 143,847,884.98/10,112.99
  6. Step 6: Final answer
    x = 14,224.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.