Home / 12,260.59-18,389.29-4,362.79

Finding the Fourth Proportional to 12,260.59, 18,389.29 and 4,362.79

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Solution

The fourth proportional to 12,260.59, 18,389.29 and 4,362.79 is: 6,543.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.59 : 18,389.29 = 4,362.79 : x
  2. Step 2: Convert to fraction form
    12,260.59/18,389.29 = 4,362.79/x
  3. Step 3: Cross multiply
    12,260.59x = 18,389.29 × 4,362.79
  4. Step 4: Simplify right side
    12,260.59x = 80,228,518.57
  5. Step 5: Solve for x
    x = 80,228,518.57/12,260.59
  6. Step 6: Final answer
    x = 6,543.61

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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.