Home / 10,646.51-14,692.21-6,171.12

Finding the Fourth Proportional to 10,646.51, 14,692.21 and 6,171.12

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Solution

The fourth proportional to 10,646.51, 14,692.21 and 6,171.12 is: 8,516.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646.51 : 14,692.21 = 6,171.12 : x
  2. Step 2: Convert to fraction form
    10,646.51/14,692.21 = 6,171.12/x
  3. Step 3: Cross multiply
    10,646.51x = 14,692.21 × 6,171.12
  4. Step 4: Simplify right side
    10,646.51x = 90,667,375.55
  5. Step 5: Solve for x
    x = 90,667,375.55/10,646.51
  6. Step 6: Final answer
    x = 8,516.16

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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.