Home / 8,703.84-13,057.92-3,513.36

Finding the Fourth Proportional to 8,703.84, 13,057.92 and 3,513.36

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Solution

The fourth proportional to 8,703.84, 13,057.92 and 3,513.36 is: 5,270.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.84 : 13,057.92 = 3,513.36 : x
  2. Step 2: Convert to fraction form
    8,703.84/13,057.92 = 3,513.36/x
  3. Step 3: Cross multiply
    8,703.84x = 13,057.92 × 3,513.36
  4. Step 4: Simplify right side
    8,703.84x = 45,877,173.81
  5. Step 5: Solve for x
    x = 45,877,173.81/8,703.84
  6. Step 6: Final answer
    x = 5,270.91

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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.