Home / 12,534.68-18,787.34-6,291.32

Finding the Fourth Proportional to 12,534.68, 18,787.34 and 6,291.32

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Solution

The fourth proportional to 12,534.68, 18,787.34 and 6,291.32 is: 9,429.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,534.68 : 18,787.34 = 6,291.32 : x
  2. Step 2: Convert to fraction form
    12,534.68/18,787.34 = 6,291.32/x
  3. Step 3: Cross multiply
    12,534.68x = 18,787.34 × 6,291.32
  4. Step 4: Simplify right side
    12,534.68x = 118,197,167.89
  5. Step 5: Solve for x
    x = 118,197,167.89/12,534.68
  6. Step 6: Final answer
    x = 9,429.61

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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.