Home / 10,278.64-14,184.54-5,562.94

Finding the Fourth Proportional to 10,278.64, 14,184.54 and 5,562.94

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Solution

The fourth proportional to 10,278.64, 14,184.54 and 5,562.94 is: 7,676.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.64 : 14,184.54 = 5,562.94 : x
  2. Step 2: Convert to fraction form
    10,278.64/14,184.54 = 5,562.94/x
  3. Step 3: Cross multiply
    10,278.64x = 14,184.54 × 5,562.94
  4. Step 4: Simplify right side
    10,278.64x = 78,907,744.95
  5. Step 5: Solve for x
    x = 78,907,744.95/10,278.64
  6. Step 6: Final answer
    x = 7,676.87

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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.