Home / 11,368.82-17,038.11-4,787.06

Finding the Fourth Proportional to 11,368.82, 17,038.11 and 4,787.06

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Solution

The fourth proportional to 11,368.82, 17,038.11 and 4,787.06 is: 7,174.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,368.82 : 17,038.11 = 4,787.06 : x
  2. Step 2: Convert to fraction form
    11,368.82/17,038.11 = 4,787.06/x
  3. Step 3: Cross multiply
    11,368.82x = 17,038.11 × 4,787.06
  4. Step 4: Simplify right side
    11,368.82x = 81,562,454.86
  5. Step 5: Solve for x
    x = 81,562,454.86/11,368.82
  6. Step 6: Final answer
    x = 7,174.22

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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.