Home / 12,530.25-18,782.84-6,271.16

Finding the Fourth Proportional to 12,530.25, 18,782.84 and 6,271.16

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Solution

The fourth proportional to 12,530.25, 18,782.84 and 6,271.16 is: 9,400.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.25 : 18,782.84 = 6,271.16 : x
  2. Step 2: Convert to fraction form
    12,530.25/18,782.84 = 6,271.16/x
  3. Step 3: Cross multiply
    12,530.25x = 18,782.84 × 6,271.16
  4. Step 4: Simplify right side
    12,530.25x = 117,790,116.66
  5. Step 5: Solve for x
    x = 117,790,116.66/12,530.25
  6. Step 6: Final answer
    x = 9,400.46

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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.