Home / 12,512.13-17,263.33-7,474.11

Finding the Fourth Proportional to 12,512.13, 17,263.33 and 7,474.11

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Solution

The fourth proportional to 12,512.13, 17,263.33 and 7,474.11 is: 10,312.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512.13 : 17,263.33 = 7,474.11 : x
  2. Step 2: Convert to fraction form
    12,512.13/17,263.33 = 7,474.11/x
  3. Step 3: Cross multiply
    12,512.13x = 17,263.33 × 7,474.11
  4. Step 4: Simplify right side
    12,512.13x = 129,028,027.39
  5. Step 5: Solve for x
    x = 129,028,027.39/12,512.13
  6. Step 6: Final answer
    x = 10,312.24

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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.