Home / 7,485.35-11,230.07-5,930.55

Finding the Fourth Proportional to 7,485.35, 11,230.07 and 5,930.55

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Solution

The fourth proportional to 7,485.35, 11,230.07 and 5,930.55 is: 8,897.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.35 : 11,230.07 = 5,930.55 : x
  2. Step 2: Convert to fraction form
    7,485.35/11,230.07 = 5,930.55/x
  3. Step 3: Cross multiply
    7,485.35x = 11,230.07 × 5,930.55
  4. Step 4: Simplify right side
    7,485.35x = 66,600,516.40
  5. Step 5: Solve for x
    x = 66,600,516.40/7,485.35
  6. Step 6: Final answer
    x = 8,897.45

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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.