Home / 8,014.12-11,052.29-5,178.51

Finding the Fourth Proportional to 8,014.12, 11,052.29 and 5,178.51

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Solution

The fourth proportional to 8,014.12, 11,052.29 and 5,178.51 is: 7,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,014.12 : 11,052.29 = 5,178.51 : x
  2. Step 2: Convert to fraction form
    8,014.12/11,052.29 = 5,178.51/x
  3. Step 3: Cross multiply
    8,014.12x = 11,052.29 × 5,178.51
  4. Step 4: Simplify right side
    8,014.12x = 57,234,450.09
  5. Step 5: Solve for x
    x = 57,234,450.09/8,014.12
  6. Step 6: Final answer
    x = 7,141.70

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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.