Home / 12,069.66-16,618.16-10,962.49

Finding the Fourth Proportional to 12,069.66, 16,618.16 and 10,962.49

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Solution

The fourth proportional to 12,069.66, 16,618.16 and 10,962.49 is: 15,093.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.66 : 16,618.16 = 10,962.49 : x
  2. Step 2: Convert to fraction form
    12,069.66/16,618.16 = 10,962.49/x
  3. Step 3: Cross multiply
    12,069.66x = 16,618.16 × 10,962.49
  4. Step 4: Simplify right side
    12,069.66x = 182,176,429.84
  5. Step 5: Solve for x
    x = 182,176,429.84/12,069.66
  6. Step 6: Final answer
    x = 15,093.75

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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.