Home / 10,009.82-15,010.45-3,436.67

Finding the Fourth Proportional to 10,009.82, 15,010.45 and 3,436.67

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Solution

The fourth proportional to 10,009.82, 15,010.45 and 3,436.67 is: 5,153.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009.82 : 15,010.45 = 3,436.67 : x
  2. Step 2: Convert to fraction form
    10,009.82/15,010.45 = 3,436.67/x
  3. Step 3: Cross multiply
    10,009.82x = 15,010.45 × 3,436.67
  4. Step 4: Simplify right side
    10,009.82x = 51,585,963.20
  5. Step 5: Solve for x
    x = 51,585,963.20/10,009.82
  6. Step 6: Final answer
    x = 5,153.54

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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.