Home / 11,810.85-16,292.77-7,027.40

Finding the Fourth Proportional to 11,810.85, 16,292.77 and 7,027.40

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Solution

The fourth proportional to 11,810.85, 16,292.77 and 7,027.40 is: 9,694.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.85 : 16,292.77 = 7,027.40 : x
  2. Step 2: Convert to fraction form
    11,810.85/16,292.77 = 7,027.40/x
  3. Step 3: Cross multiply
    11,810.85x = 16,292.77 × 7,027.40
  4. Step 4: Simplify right side
    11,810.85x = 114,495,763.18
  5. Step 5: Solve for x
    x = 114,495,763.18/11,810.85
  6. Step 6: Final answer
    x = 9,694.12

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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.