Home / 11,272.18-15,555.50-6,304.18

Finding the Fourth Proportional to 11,272.18, 15,555.50 and 6,304.18

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Solution

The fourth proportional to 11,272.18, 15,555.50 and 6,304.18 is: 8,699.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.18 : 15,555.50 = 6,304.18 : x
  2. Step 2: Convert to fraction form
    11,272.18/15,555.50 = 6,304.18/x
  3. Step 3: Cross multiply
    11,272.18x = 15,555.50 × 6,304.18
  4. Step 4: Simplify right side
    11,272.18x = 98,064,671.99
  5. Step 5: Solve for x
    x = 98,064,671.99/11,272.18
  6. Step 6: Final answer
    x = 8,699.71

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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.