Home / 11,276.30-15,562.07-6,240.73

Finding the Fourth Proportional to 11,276.30, 15,562.07 and 6,240.73

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Solution

The fourth proportional to 11,276.30, 15,562.07 and 6,240.73 is: 8,612.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.30 : 15,562.07 = 6,240.73 : x
  2. Step 2: Convert to fraction form
    11,276.30/15,562.07 = 6,240.73/x
  3. Step 3: Cross multiply
    11,276.30x = 15,562.07 × 6,240.73
  4. Step 4: Simplify right side
    11,276.30x = 97,118,677.11
  5. Step 5: Solve for x
    x = 97,118,677.11/11,276.30
  6. Step 6: Final answer
    x = 8,612.64

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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.