Home / 10,180.84-14,051.46-8,190.76

Finding the Fourth Proportional to 10,180.84, 14,051.46 and 8,190.76

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Solution

The fourth proportional to 10,180.84, 14,051.46 and 8,190.76 is: 11,304.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,180.84 : 14,051.46 = 8,190.76 : x
  2. Step 2: Convert to fraction form
    10,180.84/14,051.46 = 8,190.76/x
  3. Step 3: Cross multiply
    10,180.84x = 14,051.46 × 8,190.76
  4. Step 4: Simplify right side
    10,180.84x = 115,092,136.51
  5. Step 5: Solve for x
    x = 115,092,136.51/10,180.84
  6. Step 6: Final answer
    x = 11,304.78

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Half scale
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Double scale
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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.