Home / 8,665.35-11,958.30-5,306.93

Finding the Fourth Proportional to 8,665.35, 11,958.30 and 5,306.93

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Solution

The fourth proportional to 8,665.35, 11,958.30 and 5,306.93 is: 7,323.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665.35 : 11,958.30 = 5,306.93 : x
  2. Step 2: Convert to fraction form
    8,665.35/11,958.30 = 5,306.93/x
  3. Step 3: Cross multiply
    8,665.35x = 11,958.30 × 5,306.93
  4. Step 4: Simplify right side
    8,665.35x = 63,461,861.02
  5. Step 5: Solve for x
    x = 63,461,861.02/8,665.35
  6. Step 6: Final answer
    x = 7,323.64

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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.