Home / 10,845.06-14,973.42-6,660.54

Finding the Fourth Proportional to 10,845.06, 14,973.42 and 6,660.54

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Solution

The fourth proportional to 10,845.06, 14,973.42 and 6,660.54 is: 9,195.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,845.06 : 14,973.42 = 6,660.54 : x
  2. Step 2: Convert to fraction form
    10,845.06/14,973.42 = 6,660.54/x
  3. Step 3: Cross multiply
    10,845.06x = 14,973.42 × 6,660.54
  4. Step 4: Simplify right side
    10,845.06x = 99,731,062.85
  5. Step 5: Solve for x
    x = 99,731,062.85/10,845.06
  6. Step 6: Final answer
    x = 9,195.99

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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.