Home / 11,945.53-16,482.43-6,907.91

Finding the Fourth Proportional to 11,945.53, 16,482.43 and 6,907.91

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Solution

The fourth proportional to 11,945.53, 16,482.43 and 6,907.91 is: 9,531.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.53 : 16,482.43 = 6,907.91 : x
  2. Step 2: Convert to fraction form
    11,945.53/16,482.43 = 6,907.91/x
  3. Step 3: Cross multiply
    11,945.53x = 16,482.43 × 6,907.91
  4. Step 4: Simplify right side
    11,945.53x = 113,859,108.48
  5. Step 5: Solve for x
    x = 113,859,108.48/11,945.53
  6. Step 6: Final answer
    x = 9,531.53

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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.