Home / 7,612.48-11,406.36-3,909.56

Finding the Fourth Proportional to 7,612.48, 11,406.36 and 3,909.56

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Solution

The fourth proportional to 7,612.48, 11,406.36 and 3,909.56 is: 5,858.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612.48 : 11,406.36 = 3,909.56 : x
  2. Step 2: Convert to fraction form
    7,612.48/11,406.36 = 3,909.56/x
  3. Step 3: Cross multiply
    7,612.48x = 11,406.36 × 3,909.56
  4. Step 4: Simplify right side
    7,612.48x = 44,593,848.80
  5. Step 5: Solve for x
    x = 44,593,848.80/7,612.48
  6. Step 6: Final answer
    x = 5,858.00

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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.