Home / 9,884.07-13,640.25-5,904.45

Finding the Fourth Proportional to 9,884.07, 13,640.25 and 5,904.45

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Solution

The fourth proportional to 9,884.07, 13,640.25 and 5,904.45 is: 8,148.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,884.07 : 13,640.25 = 5,904.45 : x
  2. Step 2: Convert to fraction form
    9,884.07/13,640.25 = 5,904.45/x
  3. Step 3: Cross multiply
    9,884.07x = 13,640.25 × 5,904.45
  4. Step 4: Simplify right side
    9,884.07x = 80,538,174.11
  5. Step 5: Solve for x
    x = 80,538,174.11/9,884.07
  6. Step 6: Final answer
    x = 8,148.28

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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.