Home / 12,963.90-17,852.53-11,261.63

Finding the Fourth Proportional to 12,963.90, 17,852.53 and 11,261.63

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Solution

The fourth proportional to 12,963.90, 17,852.53 and 11,261.63 is: 15,508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963.90 : 17,852.53 = 11,261.63 : x
  2. Step 2: Convert to fraction form
    12,963.90/17,852.53 = 11,261.63/x
  3. Step 3: Cross multiply
    12,963.90x = 17,852.53 × 11,261.63
  4. Step 4: Simplify right side
    12,963.90x = 201,048,498.16
  5. Step 5: Solve for x
    x = 201,048,498.16/12,963.90
  6. Step 6: Final answer
    x = 15,508.33

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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.