Home / 7,693.49-11,520.54-6,135.75

Finding the Fourth Proportional to 7,693.49, 11,520.54 and 6,135.75

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Solution

The fourth proportional to 7,693.49, 11,520.54 and 6,135.75 is: 9,187.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,693.49 : 11,520.54 = 6,135.75 : x
  2. Step 2: Convert to fraction form
    7,693.49/11,520.54 = 6,135.75/x
  3. Step 3: Cross multiply
    7,693.49x = 11,520.54 × 6,135.75
  4. Step 4: Simplify right side
    7,693.49x = 70,687,153.31
  5. Step 5: Solve for x
    x = 70,687,153.31/7,693.49
  6. Step 6: Final answer
    x = 9,187.91

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1.5x scale

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.