Home / 9,027.72-12,457.99-5,049.20

Finding the Fourth Proportional to 9,027.72, 12,457.99 and 5,049.20

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Solution

The fourth proportional to 9,027.72, 12,457.99 and 5,049.20 is: 6,967.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,027.72 : 12,457.99 = 5,049.20 : x
  2. Step 2: Convert to fraction form
    9,027.72/12,457.99 = 5,049.20/x
  3. Step 3: Cross multiply
    9,027.72x = 12,457.99 × 5,049.20
  4. Step 4: Simplify right side
    9,027.72x = 62,902,883.11
  5. Step 5: Solve for x
    x = 62,902,883.11/9,027.72
  6. Step 6: Final answer
    x = 6,967.75

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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.