Home / 9,975.87-13,766.54-5,500.04

Finding the Fourth Proportional to 9,975.87, 13,766.54 and 5,500.04

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Solution

The fourth proportional to 9,975.87, 13,766.54 and 5,500.04 is: 7,589.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.87 : 13,766.54 = 5,500.04 : x
  2. Step 2: Convert to fraction form
    9,975.87/13,766.54 = 5,500.04/x
  3. Step 3: Cross multiply
    9,975.87x = 13,766.54 × 5,500.04
  4. Step 4: Simplify right side
    9,975.87x = 75,716,501.74
  5. Step 5: Solve for x
    x = 75,716,501.74/9,975.87
  6. Step 6: Final answer
    x = 7,589.96

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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.