Home / 11,648.36-16,075.08-6,343.40

Finding the Fourth Proportional to 11,648.36, 16,075.08 and 6,343.40

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Solution

The fourth proportional to 11,648.36, 16,075.08 and 6,343.40 is: 8,754.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,648.36 : 16,075.08 = 6,343.40 : x
  2. Step 2: Convert to fraction form
    11,648.36/16,075.08 = 6,343.40/x
  3. Step 3: Cross multiply
    11,648.36x = 16,075.08 × 6,343.40
  4. Step 4: Simplify right side
    11,648.36x = 101,970,662.47
  5. Step 5: Solve for x
    x = 101,970,662.47/11,648.36
  6. Step 6: Final answer
    x = 8,754.08

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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.