Home / 11,204.30-15,450.47-7,426.16

Finding the Fourth Proportional to 11,204.30, 15,450.47 and 7,426.16

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Solution

The fourth proportional to 11,204.30, 15,450.47 and 7,426.16 is: 10,240.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,204.30 : 15,450.47 = 7,426.16 : x
  2. Step 2: Convert to fraction form
    11,204.30/15,450.47 = 7,426.16/x
  3. Step 3: Cross multiply
    11,204.30x = 15,450.47 × 7,426.16
  4. Step 4: Simplify right side
    11,204.30x = 114,737,662.30
  5. Step 5: Solve for x
    x = 114,737,662.30/11,204.30
  6. Step 6: Final answer
    x = 10,240.50

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1.5x scale

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.