Home / 10,891.08-16,300.98-7,197.48

Finding the Fourth Proportional to 10,891.08, 16,300.98 and 7,197.48

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Solution

The fourth proportional to 10,891.08, 16,300.98 and 7,197.48 is: 10,772.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891.08 : 16,300.98 = 7,197.48 : x
  2. Step 2: Convert to fraction form
    10,891.08/16,300.98 = 7,197.48/x
  3. Step 3: Cross multiply
    10,891.08x = 16,300.98 × 7,197.48
  4. Step 4: Simplify right side
    10,891.08x = 117,325,977.53
  5. Step 5: Solve for x
    x = 117,325,977.53/10,891.08
  6. Step 6: Final answer
    x = 10,772.67

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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.