Home / 12,071.08-16,635.54-9,414.28

Finding the Fourth Proportional to 12,071.08, 16,635.54 and 9,414.28

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Solution

The fourth proportional to 12,071.08, 16,635.54 and 9,414.28 is: 12,974.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.08 : 16,635.54 = 9,414.28 : x
  2. Step 2: Convert to fraction form
    12,071.08/16,635.54 = 9,414.28/x
  3. Step 3: Cross multiply
    12,071.08x = 16,635.54 × 9,414.28
  4. Step 4: Simplify right side
    12,071.08x = 156,611,631.51
  5. Step 5: Solve for x
    x = 156,611,631.51/12,071.08
  6. Step 6: Final answer
    x = 12,974.12

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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.