Home / 13,009.30-17,952.45-7,344.25

Finding the Fourth Proportional to 13,009.30, 17,952.45 and 7,344.25

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Solution

The fourth proportional to 13,009.30, 17,952.45 and 7,344.25 is: 10,134.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009.30 : 17,952.45 = 7,344.25 : x
  2. Step 2: Convert to fraction form
    13,009.30/17,952.45 = 7,344.25/x
  3. Step 3: Cross multiply
    13,009.30x = 17,952.45 × 7,344.25
  4. Step 4: Simplify right side
    13,009.30x = 131,847,280.91
  5. Step 5: Solve for x
    x = 131,847,280.91/13,009.30
  6. Step 6: Final answer
    x = 10,134.85

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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.