Home / 7,674.48-11,511.72-5,076.81

Finding the Fourth Proportional to 7,674.48, 11,511.72 and 5,076.81

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Solution

The fourth proportional to 7,674.48, 11,511.72 and 5,076.81 is: 7,615.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.48 : 11,511.72 = 5,076.81 : x
  2. Step 2: Convert to fraction form
    7,674.48/11,511.72 = 5,076.81/x
  3. Step 3: Cross multiply
    7,674.48x = 11,511.72 × 5,076.81
  4. Step 4: Simplify right side
    7,674.48x = 58,442,815.21
  5. Step 5: Solve for x
    x = 58,442,815.21/7,674.48
  6. Step 6: Final answer
    x = 7,615.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.