Home / 7,699.74-11,548.34-2,768.46

Finding the Fourth Proportional to 7,699.74, 11,548.34 and 2,768.46

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Solution

The fourth proportional to 7,699.74, 11,548.34 and 2,768.46 is: 4,152.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,699.74 : 11,548.34 = 2,768.46 : x
  2. Step 2: Convert to fraction form
    7,699.74/11,548.34 = 2,768.46/x
  3. Step 3: Cross multiply
    7,699.74x = 11,548.34 × 2,768.46
  4. Step 4: Simplify right side
    7,699.74x = 31,971,117.36
  5. Step 5: Solve for x
    x = 31,971,117.36/7,699.74
  6. Step 6: Final answer
    x = 4,152.23

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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.