Home / 11,010.30-15,173.24-10,807.87

Finding the Fourth Proportional to 11,010.30, 15,173.24 and 10,807.87

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Solution

The fourth proportional to 11,010.30, 15,173.24 and 10,807.87 is: 14,894.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,010.30 : 15,173.24 = 10,807.87 : x
  2. Step 2: Convert to fraction form
    11,010.30/15,173.24 = 10,807.87/x
  3. Step 3: Cross multiply
    11,010.30x = 15,173.24 × 10,807.87
  4. Step 4: Simplify right side
    11,010.30x = 163,990,351.36
  5. Step 5: Solve for x
    x = 163,990,351.36/11,010.30
  6. Step 6: Final answer
    x = 14,894.27

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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.