Home / 12,192.84-16,801.56-8,829.72

Finding the Fourth Proportional to 12,192.84, 16,801.56 and 8,829.72

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Solution

The fourth proportional to 12,192.84, 16,801.56 and 8,829.72 is: 12,167.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.84 : 16,801.56 = 8,829.72 : x
  2. Step 2: Convert to fraction form
    12,192.84/16,801.56 = 8,829.72/x
  3. Step 3: Cross multiply
    12,192.84x = 16,801.56 × 8,829.72
  4. Step 4: Simplify right side
    12,192.84x = 148,353,070.36
  5. Step 5: Solve for x
    x = 148,353,070.36/12,192.84
  6. Step 6: Final answer
    x = 12,167.23

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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.