Home / 9,125.04-13,678.89-2,880.75

Finding the Fourth Proportional to 9,125.04, 13,678.89 and 2,880.75

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Solution

The fourth proportional to 9,125.04, 13,678.89 and 2,880.75 is: 4,318.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.04 : 13,678.89 = 2,880.75 : x
  2. Step 2: Convert to fraction form
    9,125.04/13,678.89 = 2,880.75/x
  3. Step 3: Cross multiply
    9,125.04x = 13,678.89 × 2,880.75
  4. Step 4: Simplify right side
    9,125.04x = 39,405,462.37
  5. Step 5: Solve for x
    x = 39,405,462.37/9,125.04
  6. Step 6: Final answer
    x = 4,318.39

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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.