Home / 8,434.47-11,638.04-5,924.25

Finding the Fourth Proportional to 8,434.47, 11,638.04 and 5,924.25

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Solution

The fourth proportional to 8,434.47, 11,638.04 and 5,924.25 is: 8,174.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.47 : 11,638.04 = 5,924.25 : x
  2. Step 2: Convert to fraction form
    8,434.47/11,638.04 = 5,924.25/x
  3. Step 3: Cross multiply
    8,434.47x = 11,638.04 × 5,924.25
  4. Step 4: Simplify right side
    8,434.47x = 68,946,628.85
  5. Step 5: Solve for x
    x = 68,946,628.85/8,434.47
  6. Step 6: Final answer
    x = 8,174.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.