Home / 11,176.66-15,424.08-6,141.01

Finding the Fourth Proportional to 11,176.66, 15,424.08 and 6,141.01

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Solution

The fourth proportional to 11,176.66, 15,424.08 and 6,141.01 is: 8,474.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.66 : 15,424.08 = 6,141.01 : x
  2. Step 2: Convert to fraction form
    11,176.66/15,424.08 = 6,141.01/x
  3. Step 3: Cross multiply
    11,176.66x = 15,424.08 × 6,141.01
  4. Step 4: Simplify right side
    11,176.66x = 94,719,429.52
  5. Step 5: Solve for x
    x = 94,719,429.52/11,176.66
  6. Step 6: Final answer
    x = 8,474.75

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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.