Home / 12,066.81-16,652.18-6,761.67

Finding the Fourth Proportional to 12,066.81, 16,652.18 and 6,761.67

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Solution

The fourth proportional to 12,066.81, 16,652.18 and 6,761.67 is: 9,331.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066.81 : 16,652.18 = 6,761.67 : x
  2. Step 2: Convert to fraction form
    12,066.81/16,652.18 = 6,761.67/x
  3. Step 3: Cross multiply
    12,066.81x = 16,652.18 × 6,761.67
  4. Step 4: Simplify right side
    12,066.81x = 112,596,512.13
  5. Step 5: Solve for x
    x = 112,596,512.13/12,066.81
  6. Step 6: Final answer
    x = 9,331.09

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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.