Home / 12,051.58-16,637.22-7,577.79

Finding the Fourth Proportional to 12,051.58, 16,637.22 and 7,577.79

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Solution

The fourth proportional to 12,051.58, 16,637.22 and 7,577.79 is: 10,461.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051.58 : 16,637.22 = 7,577.79 : x
  2. Step 2: Convert to fraction form
    12,051.58/16,637.22 = 7,577.79/x
  3. Step 3: Cross multiply
    12,051.58x = 16,637.22 × 7,577.79
  4. Step 4: Simplify right side
    12,051.58x = 126,073,321.45
  5. Step 5: Solve for x
    x = 126,073,321.45/12,051.58
  6. Step 6: Final answer
    x = 10,461.15

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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.