Home / 11,985.37-16,523.67-8,395.48

Finding the Fourth Proportional to 11,985.37, 16,523.67 and 8,395.48

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Solution

The fourth proportional to 11,985.37, 16,523.67 and 8,395.48 is: 11,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.37 : 16,523.67 = 8,395.48 : x
  2. Step 2: Convert to fraction form
    11,985.37/16,523.67 = 8,395.48/x
  3. Step 3: Cross multiply
    11,985.37x = 16,523.67 × 8,395.48
  4. Step 4: Simplify right side
    11,985.37x = 138,724,141.01
  5. Step 5: Solve for x
    x = 138,724,141.01/11,985.37
  6. Step 6: Final answer
    x = 11,574.46

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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.