Home / 10,278.80-14,184.73-5,563.07

Finding the Fourth Proportional to 10,278.80, 14,184.73 and 5,563.07

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Solution

The fourth proportional to 10,278.80, 14,184.73 and 5,563.07 is: 7,677.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.80 : 14,184.73 = 5,563.07 : x
  2. Step 2: Convert to fraction form
    10,278.80/14,184.73 = 5,563.07/x
  3. Step 3: Cross multiply
    10,278.80x = 14,184.73 × 5,563.07
  4. Step 4: Simplify right side
    10,278.80x = 78,910,645.92
  5. Step 5: Solve for x
    x = 78,910,645.92/10,278.80
  6. Step 6: Final answer
    x = 7,677.03

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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.