Home / 11,827.70-17,734.80-4,432.40

Finding the Fourth Proportional to 11,827.70, 17,734.80 and 4,432.40

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Solution

The fourth proportional to 11,827.70, 17,734.80 and 4,432.40 is: 6,646.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,827.70 : 17,734.80 = 4,432.40 : x
  2. Step 2: Convert to fraction form
    11,827.70/17,734.80 = 4,432.40/x
  3. Step 3: Cross multiply
    11,827.70x = 17,734.80 × 4,432.40
  4. Step 4: Simplify right side
    11,827.70x = 78,607,727.52
  5. Step 5: Solve for x
    x = 78,607,727.52/11,827.70
  6. Step 6: Final answer
    x = 6,646.07

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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.