Home / 12,292.12-18,440.52-6,742.45

Finding the Fourth Proportional to 12,292.12, 18,440.52 and 6,742.45

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Solution

The fourth proportional to 12,292.12, 18,440.52 and 6,742.45 is: 10,114.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.12 : 18,440.52 = 6,742.45 : x
  2. Step 2: Convert to fraction form
    12,292.12/18,440.52 = 6,742.45/x
  3. Step 3: Cross multiply
    12,292.12x = 18,440.52 × 6,742.45
  4. Step 4: Simplify right side
    12,292.12x = 124,334,284.07
  5. Step 5: Solve for x
    x = 124,334,284.07/12,292.12
  6. Step 6: Final answer
    x = 10,114.96

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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.