Home / 11,340.34-15,649.72-6,305.03

Finding the Fourth Proportional to 11,340.34, 15,649.72 and 6,305.03

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Solution

The fourth proportional to 11,340.34, 15,649.72 and 6,305.03 is: 8,700.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.34 : 15,649.72 = 6,305.03 : x
  2. Step 2: Convert to fraction form
    11,340.34/15,649.72 = 6,305.03/x
  3. Step 3: Cross multiply
    11,340.34x = 15,649.72 × 6,305.03
  4. Step 4: Simplify right side
    11,340.34x = 98,671,954.09
  5. Step 5: Solve for x
    x = 98,671,954.09/11,340.34
  6. Step 6: Final answer
    x = 8,700.97

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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.