Home / 9,227.79-12,730.50-5,872.44

Finding the Fourth Proportional to 9,227.79, 12,730.50 and 5,872.44

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Solution

The fourth proportional to 9,227.79, 12,730.50 and 5,872.44 is: 8,101.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,227.79 : 12,730.50 = 5,872.44 : x
  2. Step 2: Convert to fraction form
    9,227.79/12,730.50 = 5,872.44/x
  3. Step 3: Cross multiply
    9,227.79x = 12,730.50 × 5,872.44
  4. Step 4: Simplify right side
    9,227.79x = 74,759,097.42
  5. Step 5: Solve for x
    x = 74,759,097.42/9,227.79
  6. Step 6: Final answer
    x = 8,101.52

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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.