Home / 9,207.02-12,705.98-5,174.56

Finding the Fourth Proportional to 9,207.02, 12,705.98 and 5,174.56

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Solution

The fourth proportional to 9,207.02, 12,705.98 and 5,174.56 is: 7,141.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207.02 : 12,705.98 = 5,174.56 : x
  2. Step 2: Convert to fraction form
    9,207.02/12,705.98 = 5,174.56/x
  3. Step 3: Cross multiply
    9,207.02x = 12,705.98 × 5,174.56
  4. Step 4: Simplify right side
    9,207.02x = 65,747,855.87
  5. Step 5: Solve for x
    x = 65,747,855.87/9,207.02
  6. Step 6: Final answer
    x = 7,141.06

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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.