Home / 8,240.50-11,363.34-5,725.45

Finding the Fourth Proportional to 8,240.50, 11,363.34 and 5,725.45

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Solution

The fourth proportional to 8,240.50, 11,363.34 and 5,725.45 is: 7,895.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.50 : 11,363.34 = 5,725.45 : x
  2. Step 2: Convert to fraction form
    8,240.50/11,363.34 = 5,725.45/x
  3. Step 3: Cross multiply
    8,240.50x = 11,363.34 × 5,725.45
  4. Step 4: Simplify right side
    8,240.50x = 65,060,235.00
  5. Step 5: Solve for x
    x = 65,060,235.00/8,240.50
  6. Step 6: Final answer
    x = 7,895.18

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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.