Home / 11,855.18-17,784.70-4,460.22

Finding the Fourth Proportional to 11,855.18, 17,784.70 and 4,460.22

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Solution

The fourth proportional to 11,855.18, 17,784.70 and 4,460.22 is: 6,691.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855.18 : 17,784.70 = 4,460.22 : x
  2. Step 2: Convert to fraction form
    11,855.18/17,784.70 = 4,460.22/x
  3. Step 3: Cross multiply
    11,855.18x = 17,784.70 × 4,460.22
  4. Step 4: Simplify right side
    11,855.18x = 79,323,663.48
  5. Step 5: Solve for x
    x = 79,323,663.48/11,855.18
  6. Step 6: Final answer
    x = 6,691.05

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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.