Home / 11,482.43-15,839.80-7,706.67

Finding the Fourth Proportional to 11,482.43, 15,839.80 and 7,706.67

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Solution

The fourth proportional to 11,482.43, 15,839.80 and 7,706.67 is: 10,631.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,482.43 : 15,839.80 = 7,706.67 : x
  2. Step 2: Convert to fraction form
    11,482.43/15,839.80 = 7,706.67/x
  3. Step 3: Cross multiply
    11,482.43x = 15,839.80 × 7,706.67
  4. Step 4: Simplify right side
    11,482.43x = 122,072,120.70
  5. Step 5: Solve for x
    x = 122,072,120.70/11,482.43
  6. Step 6: Final answer
    x = 10,631.21

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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.