Home / 7,362.09-11,040.80-2,430.81

Finding the Fourth Proportional to 7,362.09, 11,040.80 and 2,430.81

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Solution

The fourth proportional to 7,362.09, 11,040.80 and 2,430.81 is: 3,645.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,362.09 : 11,040.80 = 2,430.81 : x
  2. Step 2: Convert to fraction form
    7,362.09/11,040.80 = 2,430.81/x
  3. Step 3: Cross multiply
    7,362.09x = 11,040.80 × 2,430.81
  4. Step 4: Simplify right side
    7,362.09x = 26,838,074.89
  5. Step 5: Solve for x
    x = 26,838,074.89/7,362.09
  6. Step 6: Final answer
    x = 3,645.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.