Home / 7,409.16-11,103.18-5,082.12

Finding the Fourth Proportional to 7,409.16, 11,103.18 and 5,082.12

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Solution

The fourth proportional to 7,409.16, 11,103.18 and 5,082.12 is: 7,615.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.16 : 11,103.18 = 5,082.12 : x
  2. Step 2: Convert to fraction form
    7,409.16/11,103.18 = 5,082.12/x
  3. Step 3: Cross multiply
    7,409.16x = 11,103.18 × 5,082.12
  4. Step 4: Simplify right side
    7,409.16x = 56,427,693.14
  5. Step 5: Solve for x
    x = 56,427,693.14/7,409.16
  6. Step 6: Final answer
    x = 7,615.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.