Home / 11,208.20-16,812.24-3,417.08

Finding the Fourth Proportional to 11,208.20, 16,812.24 and 3,417.08

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Solution

The fourth proportional to 11,208.20, 16,812.24 and 3,417.08 is: 5,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.20 : 16,812.24 = 3,417.08 : x
  2. Step 2: Convert to fraction form
    11,208.20/16,812.24 = 3,417.08/x
  3. Step 3: Cross multiply
    11,208.20x = 16,812.24 × 3,417.08
  4. Step 4: Simplify right side
    11,208.20x = 57,448,769.06
  5. Step 5: Solve for x
    x = 57,448,769.06/11,208.20
  6. Step 6: Final answer
    x = 5,125.60

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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.