Home / 11,453.40-15,789.06-9,460.44

Finding the Fourth Proportional to 11,453.40, 15,789.06 and 9,460.44

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Solution

The fourth proportional to 11,453.40, 15,789.06 and 9,460.44 is: 13,041.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,453.40 : 15,789.06 = 9,460.44 : x
  2. Step 2: Convert to fraction form
    11,453.40/15,789.06 = 9,460.44/x
  3. Step 3: Cross multiply
    11,453.40x = 15,789.06 × 9,460.44
  4. Step 4: Simplify right side
    11,453.40x = 149,371,454.79
  5. Step 5: Solve for x
    x = 149,371,454.79/11,453.40
  6. Step 6: Final answer
    x = 13,041.67

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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.