Home / 11,644.76-17,475.60-8,730.92

Finding the Fourth Proportional to 11,644.76, 17,475.60 and 8,730.92

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Solution

The fourth proportional to 11,644.76, 17,475.60 and 8,730.92 is: 13,102.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,644.76 : 17,475.60 = 8,730.92 : x
  2. Step 2: Convert to fraction form
    11,644.76/17,475.60 = 8,730.92/x
  3. Step 3: Cross multiply
    11,644.76x = 17,475.60 × 8,730.92
  4. Step 4: Simplify right side
    11,644.76x = 152,578,065.55
  5. Step 5: Solve for x
    x = 152,578,065.55/11,644.76
  6. Step 6: Final answer
    x = 13,102.72

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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.