Home / 9,378.96-14,061.46-3,135.28

Finding the Fourth Proportional to 9,378.96, 14,061.46 and 3,135.28

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Solution

The fourth proportional to 9,378.96, 14,061.46 and 3,135.28 is: 4,700.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378.96 : 14,061.46 = 3,135.28 : x
  2. Step 2: Convert to fraction form
    9,378.96/14,061.46 = 3,135.28/x
  3. Step 3: Cross multiply
    9,378.96x = 14,061.46 × 3,135.28
  4. Step 4: Simplify right side
    9,378.96x = 44,086,604.51
  5. Step 5: Solve for x
    x = 44,086,604.51/9,378.96
  6. Step 6: Final answer
    x = 4,700.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.