Home / 9,772.14-13,485.24-5,580.39

Finding the Fourth Proportional to 9,772.14, 13,485.24 and 5,580.39

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Solution

The fourth proportional to 9,772.14, 13,485.24 and 5,580.39 is: 7,700.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772.14 : 13,485.24 = 5,580.39 : x
  2. Step 2: Convert to fraction form
    9,772.14/13,485.24 = 5,580.39/x
  3. Step 3: Cross multiply
    9,772.14x = 13,485.24 × 5,580.39
  4. Step 4: Simplify right side
    9,772.14x = 75,252,898.44
  5. Step 5: Solve for x
    x = 75,252,898.44/9,772.14
  6. Step 6: Final answer
    x = 7,700.76

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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.