Home / 7,084.10-9,764.70-4,814.78

Finding the Fourth Proportional to 7,084.10, 9,764.70 and 4,814.78

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Solution

The fourth proportional to 7,084.10, 9,764.70 and 4,814.78 is: 6,636.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.10 : 9,764.70 = 4,814.78 : x
  2. Step 2: Convert to fraction form
    7,084.10/9,764.70 = 4,814.78/x
  3. Step 3: Cross multiply
    7,084.10x = 9,764.70 × 4,814.78
  4. Step 4: Simplify right side
    7,084.10x = 47,014,882.27
  5. Step 5: Solve for x
    x = 47,014,882.27/7,084.10
  6. Step 6: Final answer
    x = 6,636.68

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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.