Home / 10,615.38-14,649.51-6,367.12

Finding the Fourth Proportional to 10,615.38, 14,649.51 and 6,367.12

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Solution

The fourth proportional to 10,615.38, 14,649.51 and 6,367.12 is: 8,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,615.38 : 14,649.51 = 6,367.12 : x
  2. Step 2: Convert to fraction form
    10,615.38/14,649.51 = 6,367.12/x
  3. Step 3: Cross multiply
    10,615.38x = 14,649.51 × 6,367.12
  4. Step 4: Simplify right side
    10,615.38x = 93,275,188.11
  5. Step 5: Solve for x
    x = 93,275,188.11/10,615.38
  6. Step 6: Final answer
    x = 8,786.80

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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.