Home / 9,363.45-12,917.46-6,172.65

Finding the Fourth Proportional to 9,363.45, 12,917.46 and 6,172.65

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Solution

The fourth proportional to 9,363.45, 12,917.46 and 6,172.65 is: 8,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,363.45 : 12,917.46 = 6,172.65 : x
  2. Step 2: Convert to fraction form
    9,363.45/12,917.46 = 6,172.65/x
  3. Step 3: Cross multiply
    9,363.45x = 12,917.46 × 6,172.65
  4. Step 4: Simplify right side
    9,363.45x = 79,734,959.47
  5. Step 5: Solve for x
    x = 79,734,959.47/9,363.45
  6. Step 6: Final answer
    x = 8,515.55

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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.