Home / 9,373.44-12,936.48-5,398.56

Finding the Fourth Proportional to 9,373.44, 12,936.48 and 5,398.56

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Solution

The fourth proportional to 9,373.44, 12,936.48 and 5,398.56 is: 7,450.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,373.44 : 12,936.48 = 5,398.56 : x
  2. Step 2: Convert to fraction form
    9,373.44/12,936.48 = 5,398.56/x
  3. Step 3: Cross multiply
    9,373.44x = 12,936.48 × 5,398.56
  4. Step 4: Simplify right side
    9,373.44x = 69,838,363.47
  5. Step 5: Solve for x
    x = 69,838,363.47/9,373.44
  6. Step 6: Final answer
    x = 7,450.67

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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.