Home / 11,648.64-16,075.11-6,343.50

Finding the Fourth Proportional to 11,648.64, 16,075.11 and 6,343.50

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Solution

The fourth proportional to 11,648.64, 16,075.11 and 6,343.50 is: 8,754.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,648.64 : 16,075.11 = 6,343.50 : x
  2. Step 2: Convert to fraction form
    11,648.64/16,075.11 = 6,343.50/x
  3. Step 3: Cross multiply
    11,648.64x = 16,075.11 × 6,343.50
  4. Step 4: Simplify right side
    11,648.64x = 101,972,460.29
  5. Step 5: Solve for x
    x = 101,972,460.29/11,648.64
  6. Step 6: Final answer
    x = 8,754.02

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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.