Home / 11,445.10-15,792.27-7,198.67

Finding the Fourth Proportional to 11,445.10, 15,792.27 and 7,198.67

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Solution

The fourth proportional to 11,445.10, 15,792.27 and 7,198.67 is: 9,932.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.10 : 15,792.27 = 7,198.67 : x
  2. Step 2: Convert to fraction form
    11,445.10/15,792.27 = 7,198.67/x
  3. Step 3: Cross multiply
    11,445.10x = 15,792.27 × 7,198.67
  4. Step 4: Simplify right side
    11,445.10x = 113,683,352.77
  5. Step 5: Solve for x
    x = 113,683,352.77/11,445.10
  6. Step 6: Final answer
    x = 9,932.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.