Home / 8,366.16-11,544.36-5,178

Finding the Fourth Proportional to 8,366.16, 11,544.36 and 5,178

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Solution

The fourth proportional to 8,366.16, 11,544.36 and 5,178 is: 7,145.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366.16 : 11,544.36 = 5,178 : x
  2. Step 2: Convert to fraction form
    8,366.16/11,544.36 = 5,178/x
  3. Step 3: Cross multiply
    8,366.16x = 11,544.36 × 5,178
  4. Step 4: Simplify right side
    8,366.16x = 59,776,696.08
  5. Step 5: Solve for x
    x = 59,776,696.08/8,366.16
  6. Step 6: Final answer
    x = 7,145.06

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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.