Home / 11,929.69-16,463.47-6,625.00

Finding the Fourth Proportional to 11,929.69, 16,463.47 and 6,625.00

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Solution

The fourth proportional to 11,929.69, 16,463.47 and 6,625.00 is: 9,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.69 : 16,463.47 = 6,625.00 : x
  2. Step 2: Convert to fraction form
    11,929.69/16,463.47 = 6,625.00/x
  3. Step 3: Cross multiply
    11,929.69x = 16,463.47 × 6,625.00
  4. Step 4: Simplify right side
    11,929.69x = 109,070,406.43
  5. Step 5: Solve for x
    x = 109,070,406.43/11,929.69
  6. Step 6: Final answer
    x = 9,142.77

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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.