Home / 9,140.33-13,632.51-8,982.38

Finding the Fourth Proportional to 9,140.33, 13,632.51 and 8,982.38

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Solution

The fourth proportional to 9,140.33, 13,632.51 and 8,982.38 is: 13,396.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.33 : 13,632.51 = 8,982.38 : x
  2. Step 2: Convert to fraction form
    9,140.33/13,632.51 = 8,982.38/x
  3. Step 3: Cross multiply
    9,140.33x = 13,632.51 × 8,982.38
  4. Step 4: Simplify right side
    9,140.33x = 122,452,385.17
  5. Step 5: Solve for x
    x = 122,452,385.17/9,140.33
  6. Step 6: Final answer
    x = 13,396.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.