Home / 12,005.19-16,567.81-6,699.96

Finding the Fourth Proportional to 12,005.19, 16,567.81 and 6,699.96

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Solution

The fourth proportional to 12,005.19, 16,567.81 and 6,699.96 is: 9,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,005.19 : 16,567.81 = 6,699.96 : x
  2. Step 2: Convert to fraction form
    12,005.19/16,567.81 = 6,699.96/x
  3. Step 3: Cross multiply
    12,005.19x = 16,567.81 × 6,699.96
  4. Step 4: Simplify right side
    12,005.19x = 111,003,647.54
  5. Step 5: Solve for x
    x = 111,003,647.54/12,005.19
  6. Step 6: Final answer
    x = 9,246.30

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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.