Home / 9,403.42-14,106.49-2,830.11

Finding the Fourth Proportional to 9,403.42, 14,106.49 and 2,830.11

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Solution

The fourth proportional to 9,403.42, 14,106.49 and 2,830.11 is: 4,245.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.42 : 14,106.49 = 2,830.11 : x
  2. Step 2: Convert to fraction form
    9,403.42/14,106.49 = 2,830.11/x
  3. Step 3: Cross multiply
    9,403.42x = 14,106.49 × 2,830.11
  4. Step 4: Simplify right side
    9,403.42x = 39,922,989.40
  5. Step 5: Solve for x
    x = 39,922,989.40/9,403.42
  6. Step 6: Final answer
    x = 4,245.58

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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.