Home / 8,518.08-11,748.28-5,534.89

Finding the Fourth Proportional to 8,518.08, 11,748.28 and 5,534.89

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Solution

The fourth proportional to 8,518.08, 11,748.28 and 5,534.89 is: 7,633.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.08 : 11,748.28 = 5,534.89 : x
  2. Step 2: Convert to fraction form
    8,518.08/11,748.28 = 5,534.89/x
  3. Step 3: Cross multiply
    8,518.08x = 11,748.28 × 5,534.89
  4. Step 4: Simplify right side
    8,518.08x = 65,025,394.28
  5. Step 5: Solve for x
    x = 65,025,394.28/8,518.08
  6. Step 6: Final answer
    x = 7,633.81

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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.