Home / 8,376.30-11,559.48-5,019.42

Finding the Fourth Proportional to 8,376.30, 11,559.48 and 5,019.42

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Solution

The fourth proportional to 8,376.30, 11,559.48 and 5,019.42 is: 6,926.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.30 : 11,559.48 = 5,019.42 : x
  2. Step 2: Convert to fraction form
    8,376.30/11,559.48 = 5,019.42/x
  3. Step 3: Cross multiply
    8,376.30x = 11,559.48 × 5,019.42
  4. Step 4: Simplify right side
    8,376.30x = 58,021,885.10
  5. Step 5: Solve for x
    x = 58,021,885.10/8,376.30
  6. Step 6: Final answer
    x = 6,926.91

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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.