Home / 12,347.52-17,039.60-6,758.56

Finding the Fourth Proportional to 12,347.52, 17,039.60 and 6,758.56

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Solution

The fourth proportional to 12,347.52, 17,039.60 and 6,758.56 is: 9,326.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347.52 : 17,039.60 = 6,758.56 : x
  2. Step 2: Convert to fraction form
    12,347.52/17,039.60 = 6,758.56/x
  3. Step 3: Cross multiply
    12,347.52x = 17,039.60 × 6,758.56
  4. Step 4: Simplify right side
    12,347.52x = 115,163,158.98
  5. Step 5: Solve for x
    x = 115,163,158.98/12,347.52
  6. Step 6: Final answer
    x = 9,326.83

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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.