Home / 30,570.24-45,856.73-8,383.13

Finding the Fourth Proportional to 30,570.24, 45,856.73 and 8,383.13

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Solution

The fourth proportional to 30,570.24, 45,856.73 and 8,383.13 is: 12,575.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,570.24 : 45,856.73 = 8,383.13 : x
  2. Step 2: Convert to fraction form
    30,570.24/45,856.73 = 8,383.13/x
  3. Step 3: Cross multiply
    30,570.24x = 45,856.73 × 8,383.13
  4. Step 4: Simplify right side
    30,570.24x = 384,422,928.96
  5. Step 5: Solve for x
    x = 384,422,928.96/30,570.24
  6. Step 6: Final answer
    x = 12,575.07

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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.