Home / 10,815.99-14,920.86-6,336.96

Finding the Fourth Proportional to 10,815.99, 14,920.86 and 6,336.96

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Solution

The fourth proportional to 10,815.99, 14,920.86 and 6,336.96 is: 8,741.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.99 : 14,920.86 = 6,336.96 : x
  2. Step 2: Convert to fraction form
    10,815.99/14,920.86 = 6,336.96/x
  3. Step 3: Cross multiply
    10,815.99x = 14,920.86 × 6,336.96
  4. Step 4: Simplify right side
    10,815.99x = 94,552,892.99
  5. Step 5: Solve for x
    x = 94,552,892.99/10,815.99
  6. Step 6: Final answer
    x = 8,741.95

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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.