Home / 42,847.58-64,269.55-11,682.83

Finding the Fourth Proportional to 42,847.58, 64,269.55 and 11,682.83

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Solution

The fourth proportional to 42,847.58, 64,269.55 and 11,682.83 is: 17,523.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,847.58 : 64,269.55 = 11,682.83 : x
  2. Step 2: Convert to fraction form
    42,847.58/64,269.55 = 11,682.83/x
  3. Step 3: Cross multiply
    42,847.58x = 64,269.55 × 11,682.83
  4. Step 4: Simplify right side
    42,847.58x = 750,850,402.10
  5. Step 5: Solve for x
    x = 750,850,402.10/42,847.58
  6. Step 6: Final answer
    x = 17,523.75

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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.