Home / 8,012.49-11,055.03-5,181.52

Finding the Fourth Proportional to 8,012.49, 11,055.03 and 5,181.52

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Solution

The fourth proportional to 8,012.49, 11,055.03 and 5,181.52 is: 7,149.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.49 : 11,055.03 = 5,181.52 : x
  2. Step 2: Convert to fraction form
    8,012.49/11,055.03 = 5,181.52/x
  3. Step 3: Cross multiply
    8,012.49x = 11,055.03 × 5,181.52
  4. Step 4: Simplify right side
    8,012.49x = 57,281,897.93
  5. Step 5: Solve for x
    x = 57,281,897.93/8,012.49
  6. Step 6: Final answer
    x = 7,149.07

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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.