Home / 12,066.59-18,102.62-4,275.40

Finding the Fourth Proportional to 12,066.59, 18,102.62 and 4,275.40

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Solution

The fourth proportional to 12,066.59, 18,102.62 and 4,275.40 is: 6,414.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066.59 : 18,102.62 = 4,275.40 : x
  2. Step 2: Convert to fraction form
    12,066.59/18,102.62 = 4,275.40/x
  3. Step 3: Cross multiply
    12,066.59x = 18,102.62 × 4,275.40
  4. Step 4: Simplify right side
    12,066.59x = 77,395,874.91
  5. Step 5: Solve for x
    x = 77,395,874.91/12,066.59
  6. Step 6: Final answer
    x = 6,414.07

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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.