Home / 12,082.55-18,108.27-9,743.67

Finding the Fourth Proportional to 12,082.55, 18,108.27 and 9,743.67

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Solution

The fourth proportional to 12,082.55, 18,108.27 and 9,743.67 is: 14,602.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,082.55 : 18,108.27 = 9,743.67 : x
  2. Step 2: Convert to fraction form
    12,082.55/18,108.27 = 9,743.67/x
  3. Step 3: Cross multiply
    12,082.55x = 18,108.27 × 9,743.67
  4. Step 4: Simplify right side
    12,082.55x = 176,441,007.15
  5. Step 5: Solve for x
    x = 176,441,007.15/12,082.55
  6. Step 6: Final answer
    x = 14,602.97

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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.