Home / 8,977.11-13,465.67-3,135.39

Finding the Fourth Proportional to 8,977.11, 13,465.67 and 3,135.39

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Solution

The fourth proportional to 8,977.11, 13,465.67 and 3,135.39 is: 4,703.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.11 : 13,465.67 = 3,135.39 : x
  2. Step 2: Convert to fraction form
    8,977.11/13,465.67 = 3,135.39/x
  3. Step 3: Cross multiply
    8,977.11x = 13,465.67 × 3,135.39
  4. Step 4: Simplify right side
    8,977.11x = 42,220,111.38
  5. Step 5: Solve for x
    x = 42,220,111.38/8,977.11
  6. Step 6: Final answer
    x = 4,703.09

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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.