Home / 12,004.09-16,565.69-6,699.13

Finding the Fourth Proportional to 12,004.09, 16,565.69 and 6,699.13

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Solution

The fourth proportional to 12,004.09, 16,565.69 and 6,699.13 is: 9,244.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004.09 : 16,565.69 = 6,699.13 : x
  2. Step 2: Convert to fraction form
    12,004.09/16,565.69 = 6,699.13/x
  3. Step 3: Cross multiply
    12,004.09x = 16,565.69 × 6,699.13
  4. Step 4: Simplify right side
    12,004.09x = 110,975,710.85
  5. Step 5: Solve for x
    x = 110,975,710.85/12,004.09
  6. Step 6: Final answer
    x = 9,244.82

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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.