Home / 12,343.52-17,033.64-6,754.40

Finding the Fourth Proportional to 12,343.52, 17,033.64 and 6,754.40

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Solution

The fourth proportional to 12,343.52, 17,033.64 and 6,754.40 is: 9,320.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.52 : 17,033.64 = 6,754.40 : x
  2. Step 2: Convert to fraction form
    12,343.52/17,033.64 = 6,754.40/x
  3. Step 3: Cross multiply
    12,343.52x = 17,033.64 × 6,754.40
  4. Step 4: Simplify right side
    12,343.52x = 115,052,018.02
  5. Step 5: Solve for x
    x = 115,052,018.02/12,343.52
  6. Step 6: Final answer
    x = 9,320.84

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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.