Home / 8,580.60-12,862.26-3,030.48

Finding the Fourth Proportional to 8,580.60, 12,862.26 and 3,030.48

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Solution

The fourth proportional to 8,580.60, 12,862.26 and 3,030.48 is: 4,542.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.60 : 12,862.26 = 3,030.48 : x
  2. Step 2: Convert to fraction form
    8,580.60/12,862.26 = 3,030.48/x
  3. Step 3: Cross multiply
    8,580.60x = 12,862.26 × 3,030.48
  4. Step 4: Simplify right side
    8,580.60x = 38,978,821.68
  5. Step 5: Solve for x
    x = 38,978,821.68/8,580.60
  6. Step 6: Final answer
    x = 4,542.67

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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.