Home / 12,534.31-18,799.35-5,871.51

Finding the Fourth Proportional to 12,534.31, 18,799.35 and 5,871.51

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Solution

The fourth proportional to 12,534.31, 18,799.35 and 5,871.51 is: 8,806.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,534.31 : 18,799.35 = 5,871.51 : x
  2. Step 2: Convert to fraction form
    12,534.31/18,799.35 = 5,871.51/x
  3. Step 3: Cross multiply
    12,534.31x = 18,799.35 × 5,871.51
  4. Step 4: Simplify right side
    12,534.31x = 110,380,477.52
  5. Step 5: Solve for x
    x = 110,380,477.52/12,534.31
  6. Step 6: Final answer
    x = 8,806.27

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1.5x scale

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.