Home / 12,650.19-18,965.89-6,070.11

Finding the Fourth Proportional to 12,650.19, 18,965.89 and 6,070.11

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Solution

The fourth proportional to 12,650.19, 18,965.89 and 6,070.11 is: 9,100.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.19 : 18,965.89 = 6,070.11 : x
  2. Step 2: Convert to fraction form
    12,650.19/18,965.89 = 6,070.11/x
  3. Step 3: Cross multiply
    12,650.19x = 18,965.89 × 6,070.11
  4. Step 4: Simplify right side
    12,650.19x = 115,125,038.55
  5. Step 5: Solve for x
    x = 115,125,038.55/12,650.19
  6. Step 6: Final answer
    x = 9,100.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.