Home / 7,824.60-10,796.76-4,680

Finding the Fourth Proportional to 7,824.60, 10,796.76 and 4,680

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Solution

The fourth proportional to 7,824.60, 10,796.76 and 4,680 is: 6,457.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.60 : 10,796.76 = 4,680 : x
  2. Step 2: Convert to fraction form
    7,824.60/10,796.76 = 4,680/x
  3. Step 3: Cross multiply
    7,824.60x = 10,796.76 × 4,680
  4. Step 4: Simplify right side
    7,824.60x = 50,528,836.80
  5. Step 5: Solve for x
    x = 50,528,836.80/7,824.60
  6. Step 6: Final answer
    x = 6,457.69

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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.