Home / 7,945.66-11,882.69-6,072.10

Finding the Fourth Proportional to 7,945.66, 11,882.69 and 6,072.10

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Solution

The fourth proportional to 7,945.66, 11,882.69 and 6,072.10 is: 9,080.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.66 : 11,882.69 = 6,072.10 : x
  2. Step 2: Convert to fraction form
    7,945.66/11,882.69 = 6,072.10/x
  3. Step 3: Cross multiply
    7,945.66x = 11,882.69 × 6,072.10
  4. Step 4: Simplify right side
    7,945.66x = 72,152,881.95
  5. Step 5: Solve for x
    x = 72,152,881.95/7,945.66
  6. Step 6: Final answer
    x = 9,080.79

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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.