Home / 11,208.45-16,812.63-3,417.24

Finding the Fourth Proportional to 11,208.45, 16,812.63 and 3,417.24

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Solution

The fourth proportional to 11,208.45, 16,812.63 and 3,417.24 is: 5,125.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.45 : 16,812.63 = 3,417.24 : x
  2. Step 2: Convert to fraction form
    11,208.45/16,812.63 = 3,417.24/x
  3. Step 3: Cross multiply
    11,208.45x = 16,812.63 × 3,417.24
  4. Step 4: Simplify right side
    11,208.45x = 57,452,791.74
  5. Step 5: Solve for x
    x = 57,452,791.74/11,208.45
  6. Step 6: Final answer
    x = 5,125.85

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1.5x scale

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.