Home / 10,168.34-15,252.52-2,772.64

Finding the Fourth Proportional to 10,168.34, 15,252.52 and 2,772.64

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Solution

The fourth proportional to 10,168.34, 15,252.52 and 2,772.64 is: 4,158.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168.34 : 15,252.52 = 2,772.64 : x
  2. Step 2: Convert to fraction form
    10,168.34/15,252.52 = 2,772.64/x
  3. Step 3: Cross multiply
    10,168.34x = 15,252.52 × 2,772.64
  4. Step 4: Simplify right side
    10,168.34x = 42,289,701.99
  5. Step 5: Solve for x
    x = 42,289,701.99/10,168.34
  6. Step 6: Final answer
    x = 4,158.96

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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.