Home / 12,005.45-16,567.54-6,700.26

Finding the Fourth Proportional to 12,005.45, 16,567.54 and 6,700.26

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Solution

The fourth proportional to 12,005.45, 16,567.54 and 6,700.26 is: 9,246.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,005.45 : 16,567.54 = 6,700.26 : x
  2. Step 2: Convert to fraction form
    12,005.45/16,567.54 = 6,700.26/x
  3. Step 3: Cross multiply
    12,005.45x = 16,567.54 × 6,700.26
  4. Step 4: Simplify right side
    12,005.45x = 111,006,825.56
  5. Step 5: Solve for x
    x = 111,006,825.56/12,005.45
  6. Step 6: Final answer
    x = 9,246.37

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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.