Home / 7,353.87-11,029.63-6,112.43

Finding the Fourth Proportional to 7,353.87, 11,029.63 and 6,112.43

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Solution

The fourth proportional to 7,353.87, 11,029.63 and 6,112.43 is: 9,167.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.87 : 11,029.63 = 6,112.43 : x
  2. Step 2: Convert to fraction form
    7,353.87/11,029.63 = 6,112.43/x
  3. Step 3: Cross multiply
    7,353.87x = 11,029.63 × 6,112.43
  4. Step 4: Simplify right side
    7,353.87x = 67,417,841.30
  5. Step 5: Solve for x
    x = 67,417,841.30/7,353.87
  6. Step 6: Final answer
    x = 9,167.67

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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.