Home / 10,513.91-14,512.71-6,266.30

Finding the Fourth Proportional to 10,513.91, 14,512.71 and 6,266.30

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Solution

The fourth proportional to 10,513.91, 14,512.71 and 6,266.30 is: 8,649.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513.91 : 14,512.71 = 6,266.30 : x
  2. Step 2: Convert to fraction form
    10,513.91/14,512.71 = 6,266.30/x
  3. Step 3: Cross multiply
    10,513.91x = 14,512.71 × 6,266.30
  4. Step 4: Simplify right side
    10,513.91x = 90,940,922.11
  5. Step 5: Solve for x
    x = 90,940,922.11/10,513.91
  6. Step 6: Final answer
    x = 8,649.59

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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.