Home / 9,180.93-12,669.44-5,203.32

Finding the Fourth Proportional to 9,180.93, 12,669.44 and 5,203.32

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Solution

The fourth proportional to 9,180.93, 12,669.44 and 5,203.32 is: 7,180.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.93 : 12,669.44 = 5,203.32 : x
  2. Step 2: Convert to fraction form
    9,180.93/12,669.44 = 5,203.32/x
  3. Step 3: Cross multiply
    9,180.93x = 12,669.44 × 5,203.32
  4. Step 4: Simplify right side
    9,180.93x = 65,923,124.52
  5. Step 5: Solve for x
    x = 65,923,124.52/9,180.93
  6. Step 6: Final answer
    x = 7,180.44

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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.