Home / 13,160.74-18,162.91-7,497.27

Finding the Fourth Proportional to 13,160.74, 18,162.91 and 7,497.27

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Solution

The fourth proportional to 13,160.74, 18,162.91 and 7,497.27 is: 10,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.74 : 18,162.91 = 7,497.27 : x
  2. Step 2: Convert to fraction form
    13,160.74/18,162.91 = 7,497.27/x
  3. Step 3: Cross multiply
    13,160.74x = 18,162.91 × 7,497.27
  4. Step 4: Simplify right side
    13,160.74x = 136,172,240.26
  5. Step 5: Solve for x
    x = 136,172,240.26/13,160.74
  6. Step 6: Final answer
    x = 10,346.85

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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.