Home / 9,704.64-13,390.68-5,512.08

Finding the Fourth Proportional to 9,704.64, 13,390.68 and 5,512.08

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Solution

The fourth proportional to 9,704.64, 13,390.68 and 5,512.08 is: 7,605.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,704.64 : 13,390.68 = 5,512.08 : x
  2. Step 2: Convert to fraction form
    9,704.64/13,390.68 = 5,512.08/x
  3. Step 3: Cross multiply
    9,704.64x = 13,390.68 × 5,512.08
  4. Step 4: Simplify right side
    9,704.64x = 73,810,499.41
  5. Step 5: Solve for x
    x = 73,810,499.41/9,704.64
  6. Step 6: Final answer
    x = 7,605.69

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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.