Home / 10,646.72-14,692.20-6,167.60

Finding the Fourth Proportional to 10,646.72, 14,692.20 and 6,167.60

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Solution

The fourth proportional to 10,646.72, 14,692.20 and 6,167.60 is: 8,511.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646.72 : 14,692.20 = 6,167.60 : x
  2. Step 2: Convert to fraction form
    10,646.72/14,692.20 = 6,167.60/x
  3. Step 3: Cross multiply
    10,646.72x = 14,692.20 × 6,167.60
  4. Step 4: Simplify right side
    10,646.72x = 90,615,612.72
  5. Step 5: Solve for x
    x = 90,615,612.72/10,646.72
  6. Step 6: Final answer
    x = 8,511.13

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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.