Home / 12,062.70-18,095.40-3,742.65

Finding the Fourth Proportional to 12,062.70, 18,095.40 and 3,742.65

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Solution

The fourth proportional to 12,062.70, 18,095.40 and 3,742.65 is: 5,614.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,062.70 : 18,095.40 = 3,742.65 : x
  2. Step 2: Convert to fraction form
    12,062.70/18,095.40 = 3,742.65/x
  3. Step 3: Cross multiply
    12,062.70x = 18,095.40 × 3,742.65
  4. Step 4: Simplify right side
    12,062.70x = 67,724,748.81
  5. Step 5: Solve for x
    x = 67,724,748.81/12,062.70
  6. Step 6: Final answer
    x = 5,614.39

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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.