Home / 8,755.03-12,081.47-4,977.67

Finding the Fourth Proportional to 8,755.03, 12,081.47 and 4,977.67

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Solution

The fourth proportional to 8,755.03, 12,081.47 and 4,977.67 is: 6,868.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.03 : 12,081.47 = 4,977.67 : x
  2. Step 2: Convert to fraction form
    8,755.03/12,081.47 = 4,977.67/x
  3. Step 3: Cross multiply
    8,755.03x = 12,081.47 × 4,977.67
  4. Step 4: Simplify right side
    8,755.03x = 60,137,576.09
  5. Step 5: Solve for x
    x = 60,137,576.09/8,755.03
  6. Step 6: Final answer
    x = 6,868.92

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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.