Home / 10,660.96-14,710.40-5,945.12

Finding the Fourth Proportional to 10,660.96, 14,710.40 and 5,945.12

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Solution

The fourth proportional to 10,660.96, 14,710.40 and 5,945.12 is: 8,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660.96 : 14,710.40 = 5,945.12 : x
  2. Step 2: Convert to fraction form
    10,660.96/14,710.40 = 5,945.12/x
  3. Step 3: Cross multiply
    10,660.96x = 14,710.40 × 5,945.12
  4. Step 4: Simplify right side
    10,660.96x = 87,455,093.25
  5. Step 5: Solve for x
    x = 87,455,093.25/10,660.96
  6. Step 6: Final answer
    x = 8,203.30

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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.