Home / 8,412.48-12,626.53-4,255.42

Finding the Fourth Proportional to 8,412.48, 12,626.53 and 4,255.42

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Solution

The fourth proportional to 8,412.48, 12,626.53 and 4,255.42 is: 6,387.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412.48 : 12,626.53 = 4,255.42 : x
  2. Step 2: Convert to fraction form
    8,412.48/12,626.53 = 4,255.42/x
  3. Step 3: Cross multiply
    8,412.48x = 12,626.53 × 4,255.42
  4. Step 4: Simplify right side
    8,412.48x = 53,731,188.29
  5. Step 5: Solve for x
    x = 53,731,188.29/8,412.48
  6. Step 6: Final answer
    x = 6,387.08

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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.