Home / 12,102.06-18,049.58-10,630.92

Finding the Fourth Proportional to 12,102.06, 18,049.58 and 10,630.92

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Solution

The fourth proportional to 12,102.06, 18,049.58 and 10,630.92 is: 15,855.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102.06 : 18,049.58 = 10,630.92 : x
  2. Step 2: Convert to fraction form
    12,102.06/18,049.58 = 10,630.92/x
  3. Step 3: Cross multiply
    12,102.06x = 18,049.58 × 10,630.92
  4. Step 4: Simplify right side
    12,102.06x = 191,883,641.01
  5. Step 5: Solve for x
    x = 191,883,641.01/12,102.06
  6. Step 6: Final answer
    x = 15,855.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.