Home / 10,821.21-14,934.02-6,042.09

Finding the Fourth Proportional to 10,821.21, 14,934.02 and 6,042.09

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Solution

The fourth proportional to 10,821.21, 14,934.02 and 6,042.09 is: 8,338.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.21 : 14,934.02 = 6,042.09 : x
  2. Step 2: Convert to fraction form
    10,821.21/14,934.02 = 6,042.09/x
  3. Step 3: Cross multiply
    10,821.21x = 14,934.02 × 6,042.09
  4. Step 4: Simplify right side
    10,821.21x = 90,232,692.90
  5. Step 5: Solve for x
    x = 90,232,692.90/10,821.21
  6. Step 6: Final answer
    x = 8,338.50

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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.