Home / 8,817.16-13,230.79-3,554.58

Finding the Fourth Proportional to 8,817.16, 13,230.79 and 3,554.58

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Solution

The fourth proportional to 8,817.16, 13,230.79 and 3,554.58 is: 5,333.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.16 : 13,230.79 = 3,554.58 : x
  2. Step 2: Convert to fraction form
    8,817.16/13,230.79 = 3,554.58/x
  3. Step 3: Cross multiply
    8,817.16x = 13,230.79 × 3,554.58
  4. Step 4: Simplify right side
    8,817.16x = 47,029,901.52
  5. Step 5: Solve for x
    x = 47,029,901.52/8,817.16
  6. Step 6: Final answer
    x = 5,333.91

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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.