Home / 11,369.28-15,689.54-6,333.56

Finding the Fourth Proportional to 11,369.28, 15,689.54 and 6,333.56

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Solution

The fourth proportional to 11,369.28, 15,689.54 and 6,333.56 is: 8,740.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,369.28 : 15,689.54 = 6,333.56 : x
  2. Step 2: Convert to fraction form
    11,369.28/15,689.54 = 6,333.56/x
  3. Step 3: Cross multiply
    11,369.28x = 15,689.54 × 6,333.56
  4. Step 4: Simplify right side
    11,369.28x = 99,370,642.96
  5. Step 5: Solve for x
    x = 99,370,642.96/11,369.28
  6. Step 6: Final answer
    x = 8,740.28

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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.