Home / 12,170.25-16,795.53-6,864.95

Finding the Fourth Proportional to 12,170.25, 16,795.53 and 6,864.95

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Solution

The fourth proportional to 12,170.25, 16,795.53 and 6,864.95 is: 9,473.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.25 : 16,795.53 = 6,864.95 : x
  2. Step 2: Convert to fraction form
    12,170.25/16,795.53 = 6,864.95/x
  3. Step 3: Cross multiply
    12,170.25x = 16,795.53 × 6,864.95
  4. Step 4: Simplify right side
    12,170.25x = 115,300,389.70
  5. Step 5: Solve for x
    x = 115,300,389.70/12,170.25
  6. Step 6: Final answer
    x = 9,473.95

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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.