Home / 11,838.24-17,756.05-4,239.22

Finding the Fourth Proportional to 11,838.24, 17,756.05 and 4,239.22

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Solution

The fourth proportional to 11,838.24, 17,756.05 and 4,239.22 is: 6,358.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,838.24 : 17,756.05 = 4,239.22 : x
  2. Step 2: Convert to fraction form
    11,838.24/17,756.05 = 4,239.22/x
  3. Step 3: Cross multiply
    11,838.24x = 17,756.05 × 4,239.22
  4. Step 4: Simplify right side
    11,838.24x = 75,271,802.28
  5. Step 5: Solve for x
    x = 75,271,802.28/11,838.24
  6. Step 6: Final answer
    x = 6,358.36

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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.