Home / 9,057.45-12,502.36-5,705.88

Finding the Fourth Proportional to 9,057.45, 12,502.36 and 5,705.88

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Solution

The fourth proportional to 9,057.45, 12,502.36 and 5,705.88 is: 7,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,057.45 : 12,502.36 = 5,705.88 : x
  2. Step 2: Convert to fraction form
    9,057.45/12,502.36 = 5,705.88/x
  3. Step 3: Cross multiply
    9,057.45x = 12,502.36 × 5,705.88
  4. Step 4: Simplify right side
    9,057.45x = 71,336,965.88
  5. Step 5: Solve for x
    x = 71,336,965.88/9,057.45
  6. Step 6: Final answer
    x = 7,876.05

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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.