Home / 11,278.54-15,558.13-6,562.30

Finding the Fourth Proportional to 11,278.54, 15,558.13 and 6,562.30

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Solution

The fourth proportional to 11,278.54, 15,558.13 and 6,562.30 is: 9,052.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.54 : 15,558.13 = 6,562.30 : x
  2. Step 2: Convert to fraction form
    11,278.54/15,558.13 = 6,562.30/x
  3. Step 3: Cross multiply
    11,278.54x = 15,558.13 × 6,562.30
  4. Step 4: Simplify right side
    11,278.54x = 102,097,116.50
  5. Step 5: Solve for x
    x = 102,097,116.50/11,278.54
  6. Step 6: Final answer
    x = 9,052.33

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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.