Home / 11,082.56-15,289.08-7,047.23

Finding the Fourth Proportional to 11,082.56, 15,289.08 and 7,047.23

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Solution

The fourth proportional to 11,082.56, 15,289.08 and 7,047.23 is: 9,722.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,082.56 : 15,289.08 = 7,047.23 : x
  2. Step 2: Convert to fraction form
    11,082.56/15,289.08 = 7,047.23/x
  3. Step 3: Cross multiply
    11,082.56x = 15,289.08 × 7,047.23
  4. Step 4: Simplify right side
    11,082.56x = 107,745,586.80
  5. Step 5: Solve for x
    x = 107,745,586.80/11,082.56
  6. Step 6: Final answer
    x = 9,722.09

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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.