Home / 8,172.04-11,277.12-4,586.77

Finding the Fourth Proportional to 8,172.04, 11,277.12 and 4,586.77

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Solution

The fourth proportional to 8,172.04, 11,277.12 and 4,586.77 is: 6,329.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.04 : 11,277.12 = 4,586.77 : x
  2. Step 2: Convert to fraction form
    8,172.04/11,277.12 = 4,586.77/x
  3. Step 3: Cross multiply
    8,172.04x = 11,277.12 × 4,586.77
  4. Step 4: Simplify right side
    8,172.04x = 51,725,555.70
  5. Step 5: Solve for x
    x = 51,725,555.70/8,172.04
  6. Step 6: Final answer
    x = 6,329.58

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Half scale
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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.