Home / 11,230.68-15,500.18-6,756.90

Finding the Fourth Proportional to 11,230.68, 15,500.18 and 6,756.90

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Solution

The fourth proportional to 11,230.68, 15,500.18 and 6,756.90 is: 9,325.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230.68 : 15,500.18 = 6,756.90 : x
  2. Step 2: Convert to fraction form
    11,230.68/15,500.18 = 6,756.90/x
  3. Step 3: Cross multiply
    11,230.68x = 15,500.18 × 6,756.90
  4. Step 4: Simplify right side
    11,230.68x = 104,733,166.24
  5. Step 5: Solve for x
    x = 104,733,166.24/11,230.68
  6. Step 6: Final answer
    x = 9,325.63

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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.