Home / 10,783.63-16,175.45-2,992.45

Finding the Fourth Proportional to 10,783.63, 16,175.45 and 2,992.45

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Solution

The fourth proportional to 10,783.63, 16,175.45 and 2,992.45 is: 4,488.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783.63 : 16,175.45 = 2,992.45 : x
  2. Step 2: Convert to fraction form
    10,783.63/16,175.45 = 2,992.45/x
  3. Step 3: Cross multiply
    10,783.63x = 16,175.45 × 2,992.45
  4. Step 4: Simplify right side
    10,783.63x = 48,404,129.51
  5. Step 5: Solve for x
    x = 48,404,129.51/10,783.63
  6. Step 6: Final answer
    x = 4,488.67

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.