Home / 10,688.94-16,023.66-4,120.02

Finding the Fourth Proportional to 10,688.94, 16,023.66 and 4,120.02

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Solution

The fourth proportional to 10,688.94, 16,023.66 and 4,120.02 is: 6,176.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688.94 : 16,023.66 = 4,120.02 : x
  2. Step 2: Convert to fraction form
    10,688.94/16,023.66 = 4,120.02/x
  3. Step 3: Cross multiply
    10,688.94x = 16,023.66 × 4,120.02
  4. Step 4: Simplify right side
    10,688.94x = 66,017,799.67
  5. Step 5: Solve for x
    x = 66,017,799.67/10,688.94
  6. Step 6: Final answer
    x = 6,176.27

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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.