Home / 6,718.89-9,276.22-4,329.71

Finding the Fourth Proportional to 6,718.89, 9,276.22 and 4,329.71

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Solution

The fourth proportional to 6,718.89, 9,276.22 and 4,329.71 is: 5,977.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.89 : 9,276.22 = 4,329.71 : x
  2. Step 2: Convert to fraction form
    6,718.89/9,276.22 = 4,329.71/x
  3. Step 3: Cross multiply
    6,718.89x = 9,276.22 × 4,329.71
  4. Step 4: Simplify right side
    6,718.89x = 40,163,296.12
  5. Step 5: Solve for x
    x = 40,163,296.12/6,718.89
  6. Step 6: Final answer
    x = 5,977.67

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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.