Home / 7,913.44-10,920.75-4,769.83

Finding the Fourth Proportional to 7,913.44, 10,920.75 and 4,769.83

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Solution

The fourth proportional to 7,913.44, 10,920.75 and 4,769.83 is: 6,582.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.44 : 10,920.75 = 4,769.83 : x
  2. Step 2: Convert to fraction form
    7,913.44/10,920.75 = 4,769.83/x
  3. Step 3: Cross multiply
    7,913.44x = 10,920.75 × 4,769.83
  4. Step 4: Simplify right side
    7,913.44x = 52,090,093.67
  5. Step 5: Solve for x
    x = 52,090,093.67/7,913.44
  6. Step 6: Final answer
    x = 6,582.49

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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.