Home / 8,313.75-11,472.99-4,587.75

Finding the Fourth Proportional to 8,313.75, 11,472.99 and 4,587.75

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Solution

The fourth proportional to 8,313.75, 11,472.99 and 4,587.75 is: 6,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.75 : 11,472.99 = 4,587.75 : x
  2. Step 2: Convert to fraction form
    8,313.75/11,472.99 = 4,587.75/x
  3. Step 3: Cross multiply
    8,313.75x = 11,472.99 × 4,587.75
  4. Step 4: Simplify right side
    8,313.75x = 52,635,209.87
  5. Step 5: Solve for x
    x = 52,635,209.87/8,313.75
  6. Step 6: Final answer
    x = 6,331.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.