Home / 6,736.79-9,293.59-4,378.07

Finding the Fourth Proportional to 6,736.79, 9,293.59 and 4,378.07

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Solution

The fourth proportional to 6,736.79, 9,293.59 and 4,378.07 is: 6,039.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,736.79 : 9,293.59 = 4,378.07 : x
  2. Step 2: Convert to fraction form
    6,736.79/9,293.59 = 4,378.07/x
  3. Step 3: Cross multiply
    6,736.79x = 9,293.59 × 4,378.07
  4. Step 4: Simplify right side
    6,736.79x = 40,687,987.57
  5. Step 5: Solve for x
    x = 40,687,987.57/6,736.79
  6. Step 6: Final answer
    x = 6,039.67

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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.