Home / 11,657.76-17,485.95-6,114.62

Finding the Fourth Proportional to 11,657.76, 17,485.95 and 6,114.62

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Solution

The fourth proportional to 11,657.76, 17,485.95 and 6,114.62 is: 9,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657.76 : 17,485.95 = 6,114.62 : x
  2. Step 2: Convert to fraction form
    11,657.76/17,485.95 = 6,114.62/x
  3. Step 3: Cross multiply
    11,657.76x = 17,485.95 × 6,114.62
  4. Step 4: Simplify right side
    11,657.76x = 106,919,852.16
  5. Step 5: Solve for x
    x = 106,919,852.16/11,657.76
  6. Step 6: Final answer
    x = 9,171.56

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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.