Home / 10,511.91-14,509.44-6,265.89

Finding the Fourth Proportional to 10,511.91, 14,509.44 and 6,265.89

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Solution

The fourth proportional to 10,511.91, 14,509.44 and 6,265.89 is: 8,648.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,511.91 : 14,509.44 = 6,265.89 : x
  2. Step 2: Convert to fraction form
    10,511.91/14,509.44 = 6,265.89/x
  3. Step 3: Cross multiply
    10,511.91x = 14,509.44 × 6,265.89
  4. Step 4: Simplify right side
    10,511.91x = 90,914,555.00
  5. Step 5: Solve for x
    x = 90,914,555.00/10,511.91
  6. Step 6: Final answer
    x = 8,648.72

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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.