Home / 9,185.22-12,676.32-5,206.32

Finding the Fourth Proportional to 9,185.22, 12,676.32 and 5,206.32

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Solution

The fourth proportional to 9,185.22, 12,676.32 and 5,206.32 is: 7,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,185.22 : 12,676.32 = 5,206.32 : x
  2. Step 2: Convert to fraction form
    9,185.22/12,676.32 = 5,206.32/x
  3. Step 3: Cross multiply
    9,185.22x = 12,676.32 × 5,206.32
  4. Step 4: Simplify right side
    9,185.22x = 65,996,978.34
  5. Step 5: Solve for x
    x = 65,996,978.34/9,185.22
  6. Step 6: Final answer
    x = 7,185.13

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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.