Home / 12,005.16-16,567.09-6,699.97

Finding the Fourth Proportional to 12,005.16, 16,567.09 and 6,699.97

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Solution

The fourth proportional to 12,005.16, 16,567.09 and 6,699.97 is: 9,245.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,005.16 : 16,567.09 = 6,699.97 : x
  2. Step 2: Convert to fraction form
    12,005.16/16,567.09 = 6,699.97/x
  3. Step 3: Cross multiply
    12,005.16x = 16,567.09 × 6,699.97
  4. Step 4: Simplify right side
    12,005.16x = 110,999,005.99
  5. Step 5: Solve for x
    x = 110,999,005.99/12,005.16
  6. Step 6: Final answer
    x = 9,245.94

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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.