Home / 9,005.66-13,505.61-3,000.45

Finding the Fourth Proportional to 9,005.66, 13,505.61 and 3,000.45

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Solution

The fourth proportional to 9,005.66, 13,505.61 and 3,000.45 is: 4,499.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,005.66 : 13,505.61 = 3,000.45 : x
  2. Step 2: Convert to fraction form
    9,005.66/13,505.61 = 3,000.45/x
  3. Step 3: Cross multiply
    9,005.66x = 13,505.61 × 3,000.45
  4. Step 4: Simplify right side
    9,005.66x = 40,522,907.52
  5. Step 5: Solve for x
    x = 40,522,907.52/9,005.66
  6. Step 6: Final answer
    x = 4,499.71

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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.