Home / 11,768.58-16,232.45-9,987.93

Finding the Fourth Proportional to 11,768.58, 16,232.45 and 9,987.93

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Solution

The fourth proportional to 11,768.58, 16,232.45 and 9,987.93 is: 13,776.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,768.58 : 16,232.45 = 9,987.93 : x
  2. Step 2: Convert to fraction form
    11,768.58/16,232.45 = 9,987.93/x
  3. Step 3: Cross multiply
    11,768.58x = 16,232.45 × 9,987.93
  4. Step 4: Simplify right side
    11,768.58x = 162,128,524.39
  5. Step 5: Solve for x
    x = 162,128,524.39/11,768.58
  6. Step 6: Final answer
    x = 13,776.39

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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.