Home / 10,278.60-14,184.48-5,562.84

Finding the Fourth Proportional to 10,278.60, 14,184.48 and 5,562.84

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Solution

The fourth proportional to 10,278.60, 14,184.48 and 5,562.84 is: 7,676.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.60 : 14,184.48 = 5,562.84 : x
  2. Step 2: Convert to fraction form
    10,278.60/14,184.48 = 5,562.84/x
  3. Step 3: Cross multiply
    10,278.60x = 14,184.48 × 5,562.84
  4. Step 4: Simplify right side
    10,278.60x = 78,905,992.72
  5. Step 5: Solve for x
    x = 78,905,992.72/10,278.60
  6. Step 6: Final answer
    x = 7,676.73

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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.