Home / 10,175.12-15,272.40-8,056.16

Finding the Fourth Proportional to 10,175.12, 15,272.40 and 8,056.16

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Solution

The fourth proportional to 10,175.12, 15,272.40 and 8,056.16 is: 12,091.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175.12 : 15,272.40 = 8,056.16 : x
  2. Step 2: Convert to fraction form
    10,175.12/15,272.40 = 8,056.16/x
  3. Step 3: Cross multiply
    10,175.12x = 15,272.40 × 8,056.16
  4. Step 4: Simplify right side
    10,175.12x = 123,036,897.98
  5. Step 5: Solve for x
    x = 123,036,897.98/10,175.12
  6. Step 6: Final answer
    x = 12,091.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.