Home / 11,688.67-17,532.91-2,923.57

Finding the Fourth Proportional to 11,688.67, 17,532.91 and 2,923.57

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Solution

The fourth proportional to 11,688.67, 17,532.91 and 2,923.57 is: 4,385.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.67 : 17,532.91 = 2,923.57 : x
  2. Step 2: Convert to fraction form
    11,688.67/17,532.91 = 2,923.57/x
  3. Step 3: Cross multiply
    11,688.67x = 17,532.91 × 2,923.57
  4. Step 4: Simplify right side
    11,688.67x = 51,258,689.69
  5. Step 5: Solve for x
    x = 51,258,689.69/11,688.67
  6. Step 6: Final answer
    x = 4,385.33

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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.