Home / 12,175.17-16,801.96-6,870.10

Finding the Fourth Proportional to 12,175.17, 16,801.96 and 6,870.10

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Solution

The fourth proportional to 12,175.17, 16,801.96 and 6,870.10 is: 9,480.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.17 : 16,801.96 = 6,870.10 : x
  2. Step 2: Convert to fraction form
    12,175.17/16,801.96 = 6,870.10/x
  3. Step 3: Cross multiply
    12,175.17x = 16,801.96 × 6,870.10
  4. Step 4: Simplify right side
    12,175.17x = 115,431,145.40
  5. Step 5: Solve for x
    x = 115,431,145.40/12,175.17
  6. Step 6: Final answer
    x = 9,480.87

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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.