Home / 11,133.86-16,689.27-4,203.50

Finding the Fourth Proportional to 11,133.86, 16,689.27 and 4,203.50

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Solution

The fourth proportional to 11,133.86, 16,689.27 and 4,203.50 is: 6,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.86 : 16,689.27 = 4,203.50 : x
  2. Step 2: Convert to fraction form
    11,133.86/16,689.27 = 4,203.50/x
  3. Step 3: Cross multiply
    11,133.86x = 16,689.27 × 4,203.50
  4. Step 4: Simplify right side
    11,133.86x = 70,153,346.45
  5. Step 5: Solve for x
    x = 70,153,346.45/11,133.86
  6. Step 6: Final answer
    x = 6,300.90

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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.