Home / 12,339.01-17,012.40-10,297.85

Finding the Fourth Proportional to 12,339.01, 17,012.40 and 10,297.85

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Solution

The fourth proportional to 12,339.01, 17,012.40 and 10,297.85 is: 14,198.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339.01 : 17,012.40 = 10,297.85 : x
  2. Step 2: Convert to fraction form
    12,339.01/17,012.40 = 10,297.85/x
  3. Step 3: Cross multiply
    12,339.01x = 17,012.40 × 10,297.85
  4. Step 4: Simplify right side
    12,339.01x = 175,191,143.34
  5. Step 5: Solve for x
    x = 175,191,143.34/12,339.01
  6. Step 6: Final answer
    x = 14,198.15

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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.