Home / 6,556.40-9,059.34-5,240.96

Finding the Fourth Proportional to 6,556.40, 9,059.34 and 5,240.96

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Solution

The fourth proportional to 6,556.40, 9,059.34 and 5,240.96 is: 7,241.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,556.40 : 9,059.34 = 5,240.96 : x
  2. Step 2: Convert to fraction form
    6,556.40/9,059.34 = 5,240.96/x
  3. Step 3: Cross multiply
    6,556.40x = 9,059.34 × 5,240.96
  4. Step 4: Simplify right side
    6,556.40x = 47,479,638.57
  5. Step 5: Solve for x
    x = 47,479,638.57/6,556.40
  6. Step 6: Final answer
    x = 7,241.72

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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.