Home / 12,211.02-16,834.90-9,701.43

Finding the Fourth Proportional to 12,211.02, 16,834.90 and 9,701.43

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Solution

The fourth proportional to 12,211.02, 16,834.90 and 9,701.43 is: 13,375.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,211.02 : 16,834.90 = 9,701.43 : x
  2. Step 2: Convert to fraction form
    12,211.02/16,834.90 = 9,701.43/x
  3. Step 3: Cross multiply
    12,211.02x = 16,834.90 × 9,701.43
  4. Step 4: Simplify right side
    12,211.02x = 163,322,603.91
  5. Step 5: Solve for x
    x = 163,322,603.91/12,211.02
  6. Step 6: Final answer
    x = 13,375.02

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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.