Home / 11,082.34-15,288.48-6,603.58

Finding the Fourth Proportional to 11,082.34, 15,288.48 and 6,603.58

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Solution

The fourth proportional to 11,082.34, 15,288.48 and 6,603.58 is: 9,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,082.34 : 15,288.48 = 6,603.58 : x
  2. Step 2: Convert to fraction form
    11,082.34/15,288.48 = 6,603.58/x
  3. Step 3: Cross multiply
    11,082.34x = 15,288.48 × 6,603.58
  4. Step 4: Simplify right side
    11,082.34x = 100,958,700.76
  5. Step 5: Solve for x
    x = 100,958,700.76/11,082.34
  6. Step 6: Final answer
    x = 9,109.87

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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.