Home / 12,126.08-18,175.63-5,104.02

Finding the Fourth Proportional to 12,126.08, 18,175.63 and 5,104.02

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Solution

The fourth proportional to 12,126.08, 18,175.63 and 5,104.02 is: 7,650.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126.08 : 18,175.63 = 5,104.02 : x
  2. Step 2: Convert to fraction form
    12,126.08/18,175.63 = 5,104.02/x
  3. Step 3: Cross multiply
    12,126.08x = 18,175.63 × 5,104.02
  4. Step 4: Simplify right side
    12,126.08x = 92,768,779.03
  5. Step 5: Solve for x
    x = 92,768,779.03/12,126.08
  6. Step 6: Final answer
    x = 7,650.35

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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.