Home / 9,145.81-13,717.54-2,572.48

Finding the Fourth Proportional to 9,145.81, 13,717.54 and 2,572.48

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Solution

The fourth proportional to 9,145.81, 13,717.54 and 2,572.48 is: 3,858.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.81 : 13,717.54 = 2,572.48 : x
  2. Step 2: Convert to fraction form
    9,145.81/13,717.54 = 2,572.48/x
  3. Step 3: Cross multiply
    9,145.81x = 13,717.54 × 2,572.48
  4. Step 4: Simplify right side
    9,145.81x = 35,288,097.30
  5. Step 5: Solve for x
    x = 35,288,097.30/9,145.81
  6. Step 6: Final answer
    x = 3,858.39

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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.