Home / 10,381.10-15,576.51-4,536.95

Finding the Fourth Proportional to 10,381.10, 15,576.51 and 4,536.95

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Solution

The fourth proportional to 10,381.10, 15,576.51 and 4,536.95 is: 6,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.10 : 15,576.51 = 4,536.95 : x
  2. Step 2: Convert to fraction form
    10,381.10/15,576.51 = 4,536.95/x
  3. Step 3: Cross multiply
    10,381.10x = 15,576.51 × 4,536.95
  4. Step 4: Simplify right side
    10,381.10x = 70,669,847.04
  5. Step 5: Solve for x
    x = 70,669,847.04/10,381.10
  6. Step 6: Final answer
    x = 6,807.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.