Home / 12,006.11-16,567.90-6,700.81

Finding the Fourth Proportional to 12,006.11, 16,567.90 and 6,700.81

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Solution

The fourth proportional to 12,006.11, 16,567.90 and 6,700.81 is: 9,246.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,006.11 : 16,567.90 = 6,700.81 : x
  2. Step 2: Convert to fraction form
    12,006.11/16,567.90 = 6,700.81/x
  3. Step 3: Cross multiply
    12,006.11x = 16,567.90 × 6,700.81
  4. Step 4: Simplify right side
    12,006.11x = 111,018,350.00
  5. Step 5: Solve for x
    x = 111,018,350.00/12,006.11
  6. Step 6: Final answer
    x = 9,246.82

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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.