Home / 7,316.85-10,981.42-6,855.52

Finding the Fourth Proportional to 7,316.85, 10,981.42 and 6,855.52

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Solution

The fourth proportional to 7,316.85, 10,981.42 and 6,855.52 is: 10,289.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.85 : 10,981.42 = 6,855.52 : x
  2. Step 2: Convert to fraction form
    7,316.85/10,981.42 = 6,855.52/x
  3. Step 3: Cross multiply
    7,316.85x = 10,981.42 × 6,855.52
  4. Step 4: Simplify right side
    7,316.85x = 75,283,344.44
  5. Step 5: Solve for x
    x = 75,283,344.44/7,316.85
  6. Step 6: Final answer
    x = 10,289.04

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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.