Home / 12,701.12-17,525.28-7,111.04

Finding the Fourth Proportional to 12,701.12, 17,525.28 and 7,111.04

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Solution

The fourth proportional to 12,701.12, 17,525.28 and 7,111.04 is: 9,811.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,701.12 : 17,525.28 = 7,111.04 : x
  2. Step 2: Convert to fraction form
    12,701.12/17,525.28 = 7,111.04/x
  3. Step 3: Cross multiply
    12,701.12x = 17,525.28 × 7,111.04
  4. Step 4: Simplify right side
    12,701.12x = 124,622,967.09
  5. Step 5: Solve for x
    x = 124,622,967.09/12,701.12
  6. Step 6: Final answer
    x = 9,811.97

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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.