Home / 8,859.36-12,226.08-5,082.96

Finding the Fourth Proportional to 8,859.36, 12,226.08 and 5,082.96

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Solution

The fourth proportional to 8,859.36, 12,226.08 and 5,082.96 is: 7,014.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.36 : 12,226.08 = 5,082.96 : x
  2. Step 2: Convert to fraction form
    8,859.36/12,226.08 = 5,082.96/x
  3. Step 3: Cross multiply
    8,859.36x = 12,226.08 × 5,082.96
  4. Step 4: Simplify right side
    8,859.36x = 62,144,675.60
  5. Step 5: Solve for x
    x = 62,144,675.60/8,859.36
  6. Step 6: Final answer
    x = 7,014.58

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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.