Home / 11,192.28-15,444.59-6,477.27

Finding the Fourth Proportional to 11,192.28, 15,444.59 and 6,477.27

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Solution

The fourth proportional to 11,192.28, 15,444.59 and 6,477.27 is: 8,938.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,192.28 : 15,444.59 = 6,477.27 : x
  2. Step 2: Convert to fraction form
    11,192.28/15,444.59 = 6,477.27/x
  3. Step 3: Cross multiply
    11,192.28x = 15,444.59 × 6,477.27
  4. Step 4: Simplify right side
    11,192.28x = 100,038,747.08
  5. Step 5: Solve for x
    x = 100,038,747.08/11,192.28
  6. Step 6: Final answer
    x = 8,938.19

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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.