Home / 11,648.79-16,075.13-6,343.56

Finding the Fourth Proportional to 11,648.79, 16,075.13 and 6,343.56

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Solution

The fourth proportional to 11,648.79, 16,075.13 and 6,343.56 is: 8,754.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,648.79 : 16,075.13 = 6,343.56 : x
  2. Step 2: Convert to fraction form
    11,648.79/16,075.13 = 6,343.56/x
  3. Step 3: Cross multiply
    11,648.79x = 16,075.13 × 6,343.56
  4. Step 4: Simplify right side
    11,648.79x = 101,973,519.95
  5. Step 5: Solve for x
    x = 101,973,519.95/11,648.79
  6. Step 6: Final answer
    x = 8,754.00

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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.