Home / 11,208.63-16,812.99-3,417.42

Finding the Fourth Proportional to 11,208.63, 16,812.99 and 3,417.42

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Solution

The fourth proportional to 11,208.63, 16,812.99 and 3,417.42 is: 5,126.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.63 : 16,812.99 = 3,417.42 : x
  2. Step 2: Convert to fraction form
    11,208.63/16,812.99 = 3,417.42/x
  3. Step 3: Cross multiply
    11,208.63x = 16,812.99 × 3,417.42
  4. Step 4: Simplify right side
    11,208.63x = 57,457,048.29
  5. Step 5: Solve for x
    x = 57,457,048.29/11,208.63
  6. Step 6: Final answer
    x = 5,126.14

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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.