Home / 9,170.02-12,655.07-5,192.38

Finding the Fourth Proportional to 9,170.02, 12,655.07 and 5,192.38

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Solution

The fourth proportional to 9,170.02, 12,655.07 and 5,192.38 is: 7,165.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.02 : 12,655.07 = 5,192.38 : x
  2. Step 2: Convert to fraction form
    9,170.02/12,655.07 = 5,192.38/x
  3. Step 3: Cross multiply
    9,170.02x = 12,655.07 × 5,192.38
  4. Step 4: Simplify right side
    9,170.02x = 65,709,932.37
  5. Step 5: Solve for x
    x = 65,709,932.37/9,170.02
  6. Step 6: Final answer
    x = 7,165.73

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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.