Home / 9,486.12-14,239.20-5,329.68

Finding the Fourth Proportional to 9,486.12, 14,239.20 and 5,329.68

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Solution

The fourth proportional to 9,486.12, 14,239.20 and 5,329.68 is: 8,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486.12 : 14,239.20 = 5,329.68 : x
  2. Step 2: Convert to fraction form
    9,486.12/14,239.20 = 5,329.68/x
  3. Step 3: Cross multiply
    9,486.12x = 14,239.20 × 5,329.68
  4. Step 4: Simplify right side
    9,486.12x = 75,890,379.46
  5. Step 5: Solve for x
    x = 75,890,379.46/9,486.12
  6. Step 6: Final answer
    x = 8,000.15

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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.