Home / 12,732.04-17,569.38-7,141.96

Finding the Fourth Proportional to 12,732.04, 17,569.38 and 7,141.96

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Solution

The fourth proportional to 12,732.04, 17,569.38 and 7,141.96 is: 9,855.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,732.04 : 17,569.38 = 7,141.96 : x
  2. Step 2: Convert to fraction form
    12,732.04/17,569.38 = 7,141.96/x
  3. Step 3: Cross multiply
    12,732.04x = 17,569.38 × 7,141.96
  4. Step 4: Simplify right side
    12,732.04x = 125,479,809.18
  5. Step 5: Solve for x
    x = 125,479,809.18/12,732.04
  6. Step 6: Final answer
    x = 9,855.44

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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.