Home / 13,175.14-18,181.29-7,206.67

Finding the Fourth Proportional to 13,175.14, 18,181.29 and 7,206.67

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Solution

The fourth proportional to 13,175.14, 18,181.29 and 7,206.67 is: 9,944.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.14 : 18,181.29 = 7,206.67 : x
  2. Step 2: Convert to fraction form
    13,175.14/18,181.29 = 7,206.67/x
  3. Step 3: Cross multiply
    13,175.14x = 18,181.29 × 7,206.67
  4. Step 4: Simplify right side
    13,175.14x = 131,026,557.20
  5. Step 5: Solve for x
    x = 131,026,557.20/13,175.14
  6. Step 6: Final answer
    x = 9,944.98

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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.