Home / 12,516.40-17,272.20-6,927.04

Finding the Fourth Proportional to 12,516.40, 17,272.20 and 6,927.04

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Solution

The fourth proportional to 12,516.40, 17,272.20 and 6,927.04 is: 9,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516.40 : 17,272.20 = 6,927.04 : x
  2. Step 2: Convert to fraction form
    12,516.40/17,272.20 = 6,927.04/x
  3. Step 3: Cross multiply
    12,516.40x = 17,272.20 × 6,927.04
  4. Step 4: Simplify right side
    12,516.40x = 119,645,220.29
  5. Step 5: Solve for x
    x = 119,645,220.29/12,516.40
  6. Step 6: Final answer
    x = 9,559.08

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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.