Home / 11,113.36-16,678.26-5,270.02

Finding the Fourth Proportional to 11,113.36, 16,678.26 and 5,270.02

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Solution

The fourth proportional to 11,113.36, 16,678.26 and 5,270.02 is: 7,908.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.36 : 16,678.26 = 5,270.02 : x
  2. Step 2: Convert to fraction form
    11,113.36/16,678.26 = 5,270.02/x
  3. Step 3: Cross multiply
    11,113.36x = 16,678.26 × 5,270.02
  4. Step 4: Simplify right side
    11,113.36x = 87,894,763.77
  5. Step 5: Solve for x
    x = 87,894,763.77/11,113.36
  6. Step 6: Final answer
    x = 7,908.93

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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.