Home / 12,066.01-16,651.78-6,688.35

Finding the Fourth Proportional to 12,066.01, 16,651.78 and 6,688.35

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Solution

The fourth proportional to 12,066.01, 16,651.78 and 6,688.35 is: 9,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066.01 : 16,651.78 = 6,688.35 : x
  2. Step 2: Convert to fraction form
    12,066.01/16,651.78 = 6,688.35/x
  3. Step 3: Cross multiply
    12,066.01x = 16,651.78 × 6,688.35
  4. Step 4: Simplify right side
    12,066.01x = 111,372,869.21
  5. Step 5: Solve for x
    x = 111,372,869.21/12,066.01
  6. Step 6: Final answer
    x = 9,230.30

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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.