Home / 9,042.69-12,480.09-5,265.92

Finding the Fourth Proportional to 9,042.69, 12,480.09 and 5,265.92

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Solution

The fourth proportional to 9,042.69, 12,480.09 and 5,265.92 is: 7,267.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042.69 : 12,480.09 = 5,265.92 : x
  2. Step 2: Convert to fraction form
    9,042.69/12,480.09 = 5,265.92/x
  3. Step 3: Cross multiply
    9,042.69x = 12,480.09 × 5,265.92
  4. Step 4: Simplify right side
    9,042.69x = 65,719,093.13
  5. Step 5: Solve for x
    x = 65,719,093.13/9,042.69
  6. Step 6: Final answer
    x = 7,267.65

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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.