Home / 7,956.50-11,934.75-2,113.16

Finding the Fourth Proportional to 7,956.50, 11,934.75 and 2,113.16

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Solution

The fourth proportional to 7,956.50, 11,934.75 and 2,113.16 is: 3,169.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.50 : 11,934.75 = 2,113.16 : x
  2. Step 2: Convert to fraction form
    7,956.50/11,934.75 = 2,113.16/x
  3. Step 3: Cross multiply
    7,956.50x = 11,934.75 × 2,113.16
  4. Step 4: Simplify right side
    7,956.50x = 25,220,036.31
  5. Step 5: Solve for x
    x = 25,220,036.31/7,956.50
  6. Step 6: Final answer
    x = 3,169.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.