Home / 7,564.20-11,357.10-4,283.70

Finding the Fourth Proportional to 7,564.20, 11,357.10 and 4,283.70

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Solution

The fourth proportional to 7,564.20, 11,357.10 and 4,283.70 is: 6,431.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,564.20 : 11,357.10 = 4,283.70 : x
  2. Step 2: Convert to fraction form
    7,564.20/11,357.10 = 4,283.70/x
  3. Step 3: Cross multiply
    7,564.20x = 11,357.10 × 4,283.70
  4. Step 4: Simplify right side
    7,564.20x = 48,650,409.27
  5. Step 5: Solve for x
    x = 48,650,409.27/7,564.20
  6. Step 6: Final answer
    x = 6,431.67

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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.