Home / 8,790.14-12,133.50-5,435.54

Finding the Fourth Proportional to 8,790.14, 12,133.50 and 5,435.54

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Solution

The fourth proportional to 8,790.14, 12,133.50 and 5,435.54 is: 7,502.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.14 : 12,133.50 = 5,435.54 : x
  2. Step 2: Convert to fraction form
    8,790.14/12,133.50 = 5,435.54/x
  3. Step 3: Cross multiply
    8,790.14x = 12,133.50 × 5,435.54
  4. Step 4: Simplify right side
    8,790.14x = 65,952,124.59
  5. Step 5: Solve for x
    x = 65,952,124.59/8,790.14
  6. Step 6: Final answer
    x = 7,502.97

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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.