Home / 7,187.86-10,783.01-4,073.97

Finding the Fourth Proportional to 7,187.86, 10,783.01 and 4,073.97

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Solution

The fourth proportional to 7,187.86, 10,783.01 and 4,073.97 is: 6,111.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187.86 : 10,783.01 = 4,073.97 : x
  2. Step 2: Convert to fraction form
    7,187.86/10,783.01 = 4,073.97/x
  3. Step 3: Cross multiply
    7,187.86x = 10,783.01 × 4,073.97
  4. Step 4: Simplify right side
    7,187.86x = 43,929,673.81
  5. Step 5: Solve for x
    x = 43,929,673.81/7,187.86
  6. Step 6: Final answer
    x = 6,111.65

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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.