Home / 12,010.50-16,570.11-6,972.93

Finding the Fourth Proportional to 12,010.50, 16,570.11 and 6,972.93

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Solution

The fourth proportional to 12,010.50, 16,570.11 and 6,972.93 is: 9,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010.50 : 16,570.11 = 6,972.93 : x
  2. Step 2: Convert to fraction form
    12,010.50/16,570.11 = 6,972.93/x
  3. Step 3: Cross multiply
    12,010.50x = 16,570.11 × 6,972.93
  4. Step 4: Simplify right side
    12,010.50x = 115,542,217.12
  5. Step 5: Solve for x
    x = 115,542,217.12/12,010.50
  6. Step 6: Final answer
    x = 9,620.10

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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.