Home / 10,334.07-15,481.67-10,219.05

Finding the Fourth Proportional to 10,334.07, 15,481.67 and 10,219.05

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Solution

The fourth proportional to 10,334.07, 15,481.67 and 10,219.05 is: 15,309.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,334.07 : 15,481.67 = 10,219.05 : x
  2. Step 2: Convert to fraction form
    10,334.07/15,481.67 = 10,219.05/x
  3. Step 3: Cross multiply
    10,334.07x = 15,481.67 × 10,219.05
  4. Step 4: Simplify right side
    10,334.07x = 158,207,908.72
  5. Step 5: Solve for x
    x = 158,207,908.72/10,334.07
  6. Step 6: Final answer
    x = 15,309.35

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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.