Home / 10,134.10-13,985.16-5,885.44

Finding the Fourth Proportional to 10,134.10, 13,985.16 and 5,885.44

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Solution

The fourth proportional to 10,134.10, 13,985.16 and 5,885.44 is: 8,121.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.10 : 13,985.16 = 5,885.44 : x
  2. Step 2: Convert to fraction form
    10,134.10/13,985.16 = 5,885.44/x
  3. Step 3: Cross multiply
    10,134.10x = 13,985.16 × 5,885.44
  4. Step 4: Simplify right side
    10,134.10x = 82,308,820.07
  5. Step 5: Solve for x
    x = 82,308,820.07/10,134.10
  6. Step 6: Final answer
    x = 8,121.97

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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.