Home / 12,035.43-18,056.10-4,138.06

Finding the Fourth Proportional to 12,035.43, 18,056.10 and 4,138.06

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Solution

The fourth proportional to 12,035.43, 18,056.10 and 4,138.06 is: 6,208.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,035.43 : 18,056.10 = 4,138.06 : x
  2. Step 2: Convert to fraction form
    12,035.43/18,056.10 = 4,138.06/x
  3. Step 3: Cross multiply
    12,035.43x = 18,056.10 × 4,138.06
  4. Step 4: Simplify right side
    12,035.43x = 74,717,225.17
  5. Step 5: Solve for x
    x = 74,717,225.17/12,035.43
  6. Step 6: Final answer
    x = 6,208.11

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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.