Home / 12,772.66-19,151.08-5,373.30

Finding the Fourth Proportional to 12,772.66, 19,151.08 and 5,373.30

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Solution

The fourth proportional to 12,772.66, 19,151.08 and 5,373.30 is: 8,056.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772.66 : 19,151.08 = 5,373.30 : x
  2. Step 2: Convert to fraction form
    12,772.66/19,151.08 = 5,373.30/x
  3. Step 3: Cross multiply
    12,772.66x = 19,151.08 × 5,373.30
  4. Step 4: Simplify right side
    12,772.66x = 102,904,498.16
  5. Step 5: Solve for x
    x = 102,904,498.16/12,772.66
  6. Step 6: Final answer
    x = 8,056.62

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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.