Home / 7,828.42-10,806.60-4,684

Finding the Fourth Proportional to 7,828.42, 10,806.60 and 4,684

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Solution

The fourth proportional to 7,828.42, 10,806.60 and 4,684 is: 6,465.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.42 : 10,806.60 = 4,684 : x
  2. Step 2: Convert to fraction form
    7,828.42/10,806.60 = 4,684/x
  3. Step 3: Cross multiply
    7,828.42x = 10,806.60 × 4,684
  4. Step 4: Simplify right side
    7,828.42x = 50,618,114.40
  5. Step 5: Solve for x
    x = 50,618,114.40/7,828.42
  6. Step 6: Final answer
    x = 6,465.94

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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.