Home / 11,006.36-15,188.64-5,970.50

Finding the Fourth Proportional to 11,006.36, 15,188.64 and 5,970.50

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Solution

The fourth proportional to 11,006.36, 15,188.64 and 5,970.50 is: 8,239.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006.36 : 15,188.64 = 5,970.50 : x
  2. Step 2: Convert to fraction form
    11,006.36/15,188.64 = 5,970.50/x
  3. Step 3: Cross multiply
    11,006.36x = 15,188.64 × 5,970.50
  4. Step 4: Simplify right side
    11,006.36x = 90,683,775.12
  5. Step 5: Solve for x
    x = 90,683,775.12/11,006.36
  6. Step 6: Final answer
    x = 8,239.22

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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.