Home / 12,795.04-17,660.06-8,310.98

Finding the Fourth Proportional to 12,795.04, 17,660.06 and 8,310.98

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Solution

The fourth proportional to 12,795.04, 17,660.06 and 8,310.98 is: 11,471.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.04 : 17,660.06 = 8,310.98 : x
  2. Step 2: Convert to fraction form
    12,795.04/17,660.06 = 8,310.98/x
  3. Step 3: Cross multiply
    12,795.04x = 17,660.06 × 8,310.98
  4. Step 4: Simplify right side
    12,795.04x = 146,772,405.46
  5. Step 5: Solve for x
    x = 146,772,405.46/12,795.04
  6. Step 6: Final answer
    x = 11,471.04

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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.