Home / 10,689.92-16,033.78-2,899.52

Finding the Fourth Proportional to 10,689.92, 16,033.78 and 2,899.52

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Solution

The fourth proportional to 10,689.92, 16,033.78 and 2,899.52 is: 4,348.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689.92 : 16,033.78 = 2,899.52 : x
  2. Step 2: Convert to fraction form
    10,689.92/16,033.78 = 2,899.52/x
  3. Step 3: Cross multiply
    10,689.92x = 16,033.78 × 2,899.52
  4. Step 4: Simplify right side
    10,689.92x = 46,490,265.79
  5. Step 5: Solve for x
    x = 46,490,265.79/10,689.92
  6. Step 6: Final answer
    x = 4,348.98

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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.