Home / 12,723.04-17,554.62-7,415.92

Finding the Fourth Proportional to 12,723.04, 17,554.62 and 7,415.92

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Solution

The fourth proportional to 12,723.04, 17,554.62 and 7,415.92 is: 10,232.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.04 : 17,554.62 = 7,415.92 : x
  2. Step 2: Convert to fraction form
    12,723.04/17,554.62 = 7,415.92/x
  3. Step 3: Cross multiply
    12,723.04x = 17,554.62 × 7,415.92
  4. Step 4: Simplify right side
    12,723.04x = 130,183,657.55
  5. Step 5: Solve for x
    x = 130,183,657.55/12,723.04
  6. Step 6: Final answer
    x = 10,232.12

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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.