Home / 12,527.12-18,792.58-4,205.18

Finding the Fourth Proportional to 12,527.12, 18,792.58 and 4,205.18

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Solution

The fourth proportional to 12,527.12, 18,792.58 and 4,205.18 is: 6,308.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527.12 : 18,792.58 = 4,205.18 : x
  2. Step 2: Convert to fraction form
    12,527.12/18,792.58 = 4,205.18/x
  3. Step 3: Cross multiply
    12,527.12x = 18,792.58 × 4,205.18
  4. Step 4: Simplify right side
    12,527.12x = 79,026,181.56
  5. Step 5: Solve for x
    x = 79,026,181.56/12,527.12
  6. Step 6: Final answer
    x = 6,308.41

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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.