Home / 7,769.18-10,725.12-4,581.50

Finding the Fourth Proportional to 7,769.18, 10,725.12 and 4,581.50

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Solution

The fourth proportional to 7,769.18, 10,725.12 and 4,581.50 is: 6,324.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.18 : 10,725.12 = 4,581.50 : x
  2. Step 2: Convert to fraction form
    7,769.18/10,725.12 = 4,581.50/x
  3. Step 3: Cross multiply
    7,769.18x = 10,725.12 × 4,581.50
  4. Step 4: Simplify right side
    7,769.18x = 49,137,083.65
  5. Step 5: Solve for x
    x = 49,137,083.65/7,769.18
  6. Step 6: Final answer
    x = 6,324.61

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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.