Home / 9,503.60-13,111.75-6,150.65

Finding the Fourth Proportional to 9,503.60, 13,111.75 and 6,150.65

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Solution

The fourth proportional to 9,503.60, 13,111.75 and 6,150.65 is: 8,485.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,503.60 : 13,111.75 = 6,150.65 : x
  2. Step 2: Convert to fraction form
    9,503.60/13,111.75 = 6,150.65/x
  3. Step 3: Cross multiply
    9,503.60x = 13,111.75 × 6,150.65
  4. Step 4: Simplify right side
    9,503.60x = 80,645,727.27
  5. Step 5: Solve for x
    x = 80,645,727.27/9,503.60
  6. Step 6: Final answer
    x = 8,485.81

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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.