Home / 13,197.52-19,787.77-6,628.02

Finding the Fourth Proportional to 13,197.52, 19,787.77 and 6,628.02

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Solution

The fourth proportional to 13,197.52, 19,787.77 and 6,628.02 is: 9,937.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197.52 : 19,787.77 = 6,628.02 : x
  2. Step 2: Convert to fraction form
    13,197.52/19,787.77 = 6,628.02/x
  3. Step 3: Cross multiply
    13,197.52x = 19,787.77 × 6,628.02
  4. Step 4: Simplify right side
    13,197.52x = 131,153,735.32
  5. Step 5: Solve for x
    x = 131,153,735.32/13,197.52
  6. Step 6: Final answer
    x = 9,937.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.