Home / 11,929.76-16,462.23-6,624.15

Finding the Fourth Proportional to 11,929.76, 16,462.23 and 6,624.15

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Solution

The fourth proportional to 11,929.76, 16,462.23 and 6,624.15 is: 9,140.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.76 : 16,462.23 = 6,624.15 : x
  2. Step 2: Convert to fraction form
    11,929.76/16,462.23 = 6,624.15/x
  3. Step 3: Cross multiply
    11,929.76x = 16,462.23 × 6,624.15
  4. Step 4: Simplify right side
    11,929.76x = 109,048,280.85
  5. Step 5: Solve for x
    x = 109,048,280.85/11,929.76
  6. Step 6: Final answer
    x = 9,140.87

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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.