Home / 8,140.24-11,233.48-4,996.56

Finding the Fourth Proportional to 8,140.24, 11,233.48 and 4,996.56

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Solution

The fourth proportional to 8,140.24, 11,233.48 and 4,996.56 is: 6,895.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.24 : 11,233.48 = 4,996.56 : x
  2. Step 2: Convert to fraction form
    8,140.24/11,233.48 = 4,996.56/x
  3. Step 3: Cross multiply
    8,140.24x = 11,233.48 × 4,996.56
  4. Step 4: Simplify right side
    8,140.24x = 56,128,756.83
  5. Step 5: Solve for x
    x = 56,128,756.83/8,140.24
  6. Step 6: Final answer
    x = 6,895.22

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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.