Home / 11,551.29-15,940.92-7,012.67

Finding the Fourth Proportional to 11,551.29, 15,940.92 and 7,012.67

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Solution

The fourth proportional to 11,551.29, 15,940.92 and 7,012.67 is: 9,677.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551.29 : 15,940.92 = 7,012.67 : x
  2. Step 2: Convert to fraction form
    11,551.29/15,940.92 = 7,012.67/x
  3. Step 3: Cross multiply
    11,551.29x = 15,940.92 × 7,012.67
  4. Step 4: Simplify right side
    11,551.29x = 111,788,331.75
  5. Step 5: Solve for x
    x = 111,788,331.75/11,551.29
  6. Step 6: Final answer
    x = 9,677.56

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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.