Home / 8,950.40-13,421.28-4,016.96

Finding the Fourth Proportional to 8,950.40, 13,421.28 and 4,016.96

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Solution

The fourth proportional to 8,950.40, 13,421.28 and 4,016.96 is: 6,023.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.40 : 13,421.28 = 4,016.96 : x
  2. Step 2: Convert to fraction form
    8,950.40/13,421.28 = 4,016.96/x
  3. Step 3: Cross multiply
    8,950.40x = 13,421.28 × 4,016.96
  4. Step 4: Simplify right side
    8,950.40x = 53,912,744.91
  5. Step 5: Solve for x
    x = 53,912,744.91/8,950.40
  6. Step 6: Final answer
    x = 6,023.50

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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.