Home / 12,549.14-17,317.21-7,245.67

Finding the Fourth Proportional to 12,549.14, 17,317.21 and 7,245.67

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Solution

The fourth proportional to 12,549.14, 17,317.21 and 7,245.67 is: 9,998.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.14 : 17,317.21 = 7,245.67 : x
  2. Step 2: Convert to fraction form
    12,549.14/17,317.21 = 7,245.67/x
  3. Step 3: Cross multiply
    12,549.14x = 17,317.21 × 7,245.67
  4. Step 4: Simplify right side
    12,549.14x = 125,474,773.63
  5. Step 5: Solve for x
    x = 125,474,773.63/12,549.14
  6. Step 6: Final answer
    x = 9,998.67

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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.