Home / 11,076.75-15,285.93-6,108.75

Finding the Fourth Proportional to 11,076.75, 15,285.93 and 6,108.75

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Solution

The fourth proportional to 11,076.75, 15,285.93 and 6,108.75 is: 8,430.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,076.75 : 15,285.93 = 6,108.75 : x
  2. Step 2: Convert to fraction form
    11,076.75/15,285.93 = 6,108.75/x
  3. Step 3: Cross multiply
    11,076.75x = 15,285.93 × 6,108.75
  4. Step 4: Simplify right side
    11,076.75x = 93,377,924.89
  5. Step 5: Solve for x
    x = 93,377,924.89/11,076.75
  6. Step 6: Final answer
    x = 8,430.08

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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.