Home / 12,173.19-16,787.35-7,393.91

Finding the Fourth Proportional to 12,173.19, 16,787.35 and 7,393.91

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Solution

The fourth proportional to 12,173.19, 16,787.35 and 7,393.91 is: 10,196.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,173.19 : 16,787.35 = 7,393.91 : x
  2. Step 2: Convert to fraction form
    12,173.19/16,787.35 = 7,393.91/x
  3. Step 3: Cross multiply
    12,173.19x = 16,787.35 × 7,393.91
  4. Step 4: Simplify right side
    12,173.19x = 124,124,127.56
  5. Step 5: Solve for x
    x = 124,124,127.56/12,173.19
  6. Step 6: Final answer
    x = 10,196.52

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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.