Home / 12,175.76-16,803.36-6,871.04

Finding the Fourth Proportional to 12,175.76, 16,803.36 and 6,871.04

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Solution

The fourth proportional to 12,175.76, 16,803.36 and 6,871.04 is: 9,482.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.76 : 16,803.36 = 6,871.04 : x
  2. Step 2: Convert to fraction form
    12,175.76/16,803.36 = 6,871.04/x
  3. Step 3: Cross multiply
    12,175.76x = 16,803.36 × 6,871.04
  4. Step 4: Simplify right side
    12,175.76x = 115,456,558.69
  5. Step 5: Solve for x
    x = 115,456,558.69/12,175.76
  6. Step 6: Final answer
    x = 9,482.49

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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.