Home / 12,102.30-16,705.26-7,633.50

Finding the Fourth Proportional to 12,102.30, 16,705.26 and 7,633.50

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Solution

The fourth proportional to 12,102.30, 16,705.26 and 7,633.50 is: 10,536.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102.30 : 16,705.26 = 7,633.50 : x
  2. Step 2: Convert to fraction form
    12,102.30/16,705.26 = 7,633.50/x
  3. Step 3: Cross multiply
    12,102.30x = 16,705.26 × 7,633.50
  4. Step 4: Simplify right side
    12,102.30x = 127,519,602.21
  5. Step 5: Solve for x
    x = 127,519,602.21/12,102.30
  6. Step 6: Final answer
    x = 10,536.81

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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.