Home / 10,772.56-16,158.71-4,203.36

Finding the Fourth Proportional to 10,772.56, 16,158.71 and 4,203.36

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Solution

The fourth proportional to 10,772.56, 16,158.71 and 4,203.36 is: 6,304.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,772.56 : 16,158.71 = 4,203.36 : x
  2. Step 2: Convert to fraction form
    10,772.56/16,158.71 = 4,203.36/x
  3. Step 3: Cross multiply
    10,772.56x = 16,158.71 × 4,203.36
  4. Step 4: Simplify right side
    10,772.56x = 67,920,885.77
  5. Step 5: Solve for x
    x = 67,920,885.77/10,772.56
  6. Step 6: Final answer
    x = 6,304.99

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1.5x scale

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.