Home / 7,439.96-11,160.38-2,509.16

Finding the Fourth Proportional to 7,439.96, 11,160.38 and 2,509.16

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Solution

The fourth proportional to 7,439.96, 11,160.38 and 2,509.16 is: 3,763.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.96 : 11,160.38 = 2,509.16 : x
  2. Step 2: Convert to fraction form
    7,439.96/11,160.38 = 2,509.16/x
  3. Step 3: Cross multiply
    7,439.96x = 11,160.38 × 2,509.16
  4. Step 4: Simplify right side
    7,439.96x = 28,003,179.08
  5. Step 5: Solve for x
    x = 28,003,179.08/7,439.96
  6. Step 6: Final answer
    x = 3,763.89

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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.