Home / 12,047.04-16,629.71-8,167.35

Finding the Fourth Proportional to 12,047.04, 16,629.71 and 8,167.35

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Solution

The fourth proportional to 12,047.04, 16,629.71 and 8,167.35 is: 11,274.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,047.04 : 16,629.71 = 8,167.35 : x
  2. Step 2: Convert to fraction form
    12,047.04/16,629.71 = 8,167.35/x
  3. Step 3: Cross multiply
    12,047.04x = 16,629.71 × 8,167.35
  4. Step 4: Simplify right side
    12,047.04x = 135,820,661.97
  5. Step 5: Solve for x
    x = 135,820,661.97/12,047.04
  6. Step 6: Final answer
    x = 11,274.19

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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.