Home / 11,333.21-15,637.01-7,077.67

Finding the Fourth Proportional to 11,333.21, 15,637.01 and 7,077.67

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Solution

The fourth proportional to 11,333.21, 15,637.01 and 7,077.67 is: 9,765.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,333.21 : 15,637.01 = 7,077.67 : x
  2. Step 2: Convert to fraction form
    11,333.21/15,637.01 = 7,077.67/x
  3. Step 3: Cross multiply
    11,333.21x = 15,637.01 × 7,077.67
  4. Step 4: Simplify right side
    11,333.21x = 110,673,522.09
  5. Step 5: Solve for x
    x = 110,673,522.09/11,333.21
  6. Step 6: Final answer
    x = 9,765.42

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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.