Home / 11,883.04-16,420.26-11,306.59

Finding the Fourth Proportional to 11,883.04, 16,420.26 and 11,306.59

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Solution

The fourth proportional to 11,883.04, 16,420.26 and 11,306.59 is: 15,623.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,883.04 : 16,420.26 = 11,306.59 : x
  2. Step 2: Convert to fraction form
    11,883.04/16,420.26 = 11,306.59/x
  3. Step 3: Cross multiply
    11,883.04x = 16,420.26 × 11,306.59
  4. Step 4: Simplify right side
    11,883.04x = 185,657,147.51
  5. Step 5: Solve for x
    x = 185,657,147.51/11,883.04
  6. Step 6: Final answer
    x = 15,623.71

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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.