Home / 9,351.45-12,905.06-5,102.46

Finding the Fourth Proportional to 9,351.45, 12,905.06 and 5,102.46

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Solution

The fourth proportional to 9,351.45, 12,905.06 and 5,102.46 is: 7,041.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351.45 : 12,905.06 = 5,102.46 : x
  2. Step 2: Convert to fraction form
    9,351.45/12,905.06 = 5,102.46/x
  3. Step 3: Cross multiply
    9,351.45x = 12,905.06 × 5,102.46
  4. Step 4: Simplify right side
    9,351.45x = 65,847,526.94
  5. Step 5: Solve for x
    x = 65,847,526.94/9,351.45
  6. Step 6: Final answer
    x = 7,041.42

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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.