Home / 9,170.89-12,655.44-5,192.23

Finding the Fourth Proportional to 9,170.89, 12,655.44 and 5,192.23

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Solution

The fourth proportional to 9,170.89, 12,655.44 and 5,192.23 is: 7,165.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.89 : 12,655.44 = 5,192.23 : x
  2. Step 2: Convert to fraction form
    9,170.89/12,655.44 = 5,192.23/x
  3. Step 3: Cross multiply
    9,170.89x = 12,655.44 × 5,192.23
  4. Step 4: Simplify right side
    9,170.89x = 65,709,955.23
  5. Step 5: Solve for x
    x = 65,709,955.23/9,170.89
  6. Step 6: Final answer
    x = 7,165.06

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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.