Home / 7,975.68-11,934.36-6,678.06

Finding the Fourth Proportional to 7,975.68, 11,934.36 and 6,678.06

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Solution

The fourth proportional to 7,975.68, 11,934.36 and 6,678.06 is: 9,992.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.68 : 11,934.36 = 6,678.06 : x
  2. Step 2: Convert to fraction form
    7,975.68/11,934.36 = 6,678.06/x
  3. Step 3: Cross multiply
    7,975.68x = 11,934.36 × 6,678.06
  4. Step 4: Simplify right side
    7,975.68x = 79,698,372.14
  5. Step 5: Solve for x
    x = 79,698,372.14/7,975.68
  6. Step 6: Final answer
    x = 9,992.67

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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.