Home / 11,848.55-16,350.95-7,133.09

Finding the Fourth Proportional to 11,848.55, 16,350.95 and 7,133.09

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Solution

The fourth proportional to 11,848.55, 16,350.95 and 7,133.09 is: 9,843.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,848.55 : 16,350.95 = 7,133.09 : x
  2. Step 2: Convert to fraction form
    11,848.55/16,350.95 = 7,133.09/x
  3. Step 3: Cross multiply
    11,848.55x = 16,350.95 × 7,133.09
  4. Step 4: Simplify right side
    11,848.55x = 116,632,734.01
  5. Step 5: Solve for x
    x = 116,632,734.01/11,848.55
  6. Step 6: Final answer
    x = 9,843.63

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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.