Home / 9,141.04-13,708.84-3,875.97

Finding the Fourth Proportional to 9,141.04, 13,708.84 and 3,875.97

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Solution

The fourth proportional to 9,141.04, 13,708.84 and 3,875.97 is: 5,812.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141.04 : 13,708.84 = 3,875.97 : x
  2. Step 2: Convert to fraction form
    9,141.04/13,708.84 = 3,875.97/x
  3. Step 3: Cross multiply
    9,141.04x = 13,708.84 × 3,875.97
  4. Step 4: Simplify right side
    9,141.04x = 53,135,108.83
  5. Step 5: Solve for x
    x = 53,135,108.83/9,141.04
  6. Step 6: Final answer
    x = 5,812.81

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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.