Home / 11,535.92-15,912.35-7,051.89

Finding the Fourth Proportional to 11,535.92, 15,912.35 and 7,051.89

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Solution

The fourth proportional to 11,535.92, 15,912.35 and 7,051.89 is: 9,727.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,535.92 : 15,912.35 = 7,051.89 : x
  2. Step 2: Convert to fraction form
    11,535.92/15,912.35 = 7,051.89/x
  3. Step 3: Cross multiply
    11,535.92x = 15,912.35 × 7,051.89
  4. Step 4: Simplify right side
    11,535.92x = 112,212,192.70
  5. Step 5: Solve for x
    x = 112,212,192.70/11,535.92
  6. Step 6: Final answer
    x = 9,727.20

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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.