Home / 43,215.36-64,823.08-10,383.36

Finding the Fourth Proportional to 43,215.36, 64,823.08 and 10,383.36

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Solution

The fourth proportional to 43,215.36, 64,823.08 and 10,383.36 is: 15,575.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,215.36 : 64,823.08 = 10,383.36 : x
  2. Step 2: Convert to fraction form
    43,215.36/64,823.08 = 10,383.36/x
  3. Step 3: Cross multiply
    43,215.36x = 64,823.08 × 10,383.36
  4. Step 4: Simplify right side
    43,215.36x = 673,081,375.95
  5. Step 5: Solve for x
    x = 673,081,375.95/43,215.36
  6. Step 6: Final answer
    x = 15,575.05

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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.