Home / 7,651.89-11,487.56-6,504.93

Finding the Fourth Proportional to 7,651.89, 11,487.56 and 6,504.93

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Solution

The fourth proportional to 7,651.89, 11,487.56 and 6,504.93 is: 9,765.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.89 : 11,487.56 = 6,504.93 : x
  2. Step 2: Convert to fraction form
    7,651.89/11,487.56 = 6,504.93/x
  3. Step 3: Cross multiply
    7,651.89x = 11,487.56 × 6,504.93
  4. Step 4: Simplify right side
    7,651.89x = 74,725,741.15
  5. Step 5: Solve for x
    x = 74,725,741.15/7,651.89
  6. Step 6: Final answer
    x = 9,765.66

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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.