Home / 9,180.37-12,669.53-5,201.51

Finding the Fourth Proportional to 9,180.37, 12,669.53 and 5,201.51

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Solution

The fourth proportional to 9,180.37, 12,669.53 and 5,201.51 is: 7,178.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.37 : 12,669.53 = 5,201.51 : x
  2. Step 2: Convert to fraction form
    9,180.37/12,669.53 = 5,201.51/x
  3. Step 3: Cross multiply
    9,180.37x = 12,669.53 × 5,201.51
  4. Step 4: Simplify right side
    9,180.37x = 65,900,686.99
  5. Step 5: Solve for x
    x = 65,900,686.99/9,180.37
  6. Step 6: Final answer
    x = 7,178.44

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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.