Home / 11,660.04-17,486.16-4,641.78

Finding the Fourth Proportional to 11,660.04, 17,486.16 and 4,641.78

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Solution

The fourth proportional to 11,660.04, 17,486.16 and 4,641.78 is: 6,961.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.04 : 17,486.16 = 4,641.78 : x
  2. Step 2: Convert to fraction form
    11,660.04/17,486.16 = 4,641.78/x
  3. Step 3: Cross multiply
    11,660.04x = 17,486.16 × 4,641.78
  4. Step 4: Simplify right side
    11,660.04x = 81,166,907.76
  5. Step 5: Solve for x
    x = 81,166,907.76/11,660.04
  6. Step 6: Final answer
    x = 6,961.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.