Home / 11,057.31-15,258.58-6,581.55

Finding the Fourth Proportional to 11,057.31, 15,258.58 and 6,581.55

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Solution

The fourth proportional to 11,057.31, 15,258.58 and 6,581.55 is: 9,082.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,057.31 : 15,258.58 = 6,581.55 : x
  2. Step 2: Convert to fraction form
    11,057.31/15,258.58 = 6,581.55/x
  3. Step 3: Cross multiply
    11,057.31x = 15,258.58 × 6,581.55
  4. Step 4: Simplify right side
    11,057.31x = 100,425,147.96
  5. Step 5: Solve for x
    x = 100,425,147.96/11,057.31
  6. Step 6: Final answer
    x = 9,082.24

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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.