Home / 11,783.48-17,651.58-7,100.88

Finding the Fourth Proportional to 11,783.48, 17,651.58 and 7,100.88

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Solution

The fourth proportional to 11,783.48, 17,651.58 and 7,100.88 is: 10,637.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,783.48 : 17,651.58 = 7,100.88 : x
  2. Step 2: Convert to fraction form
    11,783.48/17,651.58 = 7,100.88/x
  3. Step 3: Cross multiply
    11,783.48x = 17,651.58 × 7,100.88
  4. Step 4: Simplify right side
    11,783.48x = 125,341,751.39
  5. Step 5: Solve for x
    x = 125,341,751.39/11,783.48
  6. Step 6: Final answer
    x = 10,637.07

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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.