Home / 12,203.40-16,842.06-10,210.44

Finding the Fourth Proportional to 12,203.40, 16,842.06 and 10,210.44

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Solution

The fourth proportional to 12,203.40, 16,842.06 and 10,210.44 is: 14,091.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203.40 : 16,842.06 = 10,210.44 : x
  2. Step 2: Convert to fraction form
    12,203.40/16,842.06 = 10,210.44/x
  3. Step 3: Cross multiply
    12,203.40x = 16,842.06 × 10,210.44
  4. Step 4: Simplify right side
    12,203.40x = 171,964,843.11
  5. Step 5: Solve for x
    x = 171,964,843.11/12,203.40
  6. Step 6: Final answer
    x = 14,091.55

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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.