Home / 9,180.84-12,666.60-5,201.64

Finding the Fourth Proportional to 9,180.84, 12,666.60 and 5,201.64

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Solution

The fourth proportional to 9,180.84, 12,666.60 and 5,201.64 is: 7,176.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.84 : 12,666.60 = 5,201.64 : x
  2. Step 2: Convert to fraction form
    9,180.84/12,666.60 = 5,201.64/x
  3. Step 3: Cross multiply
    9,180.84x = 12,666.60 × 5,201.64
  4. Step 4: Simplify right side
    9,180.84x = 65,887,093.22
  5. Step 5: Solve for x
    x = 65,887,093.22/9,180.84
  6. Step 6: Final answer
    x = 7,176.59

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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.