Home / 11,040.30-15,237.99-7,263.81

Finding the Fourth Proportional to 11,040.30, 15,237.99 and 7,263.81

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Solution

The fourth proportional to 11,040.30, 15,237.99 and 7,263.81 is: 10,025.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.30 : 15,237.99 = 7,263.81 : x
  2. Step 2: Convert to fraction form
    11,040.30/15,237.99 = 7,263.81/x
  3. Step 3: Cross multiply
    11,040.30x = 15,237.99 × 7,263.81
  4. Step 4: Simplify right side
    11,040.30x = 110,685,864.14
  5. Step 5: Solve for x
    x = 110,685,864.14/11,040.30
  6. Step 6: Final answer
    x = 10,025.62

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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.