Home / 9,212.46-12,713.55-5,020.74

Finding the Fourth Proportional to 9,212.46, 12,713.55 and 5,020.74

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Solution

The fourth proportional to 9,212.46, 12,713.55 and 5,020.74 is: 6,928.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.46 : 12,713.55 = 5,020.74 : x
  2. Step 2: Convert to fraction form
    9,212.46/12,713.55 = 5,020.74/x
  3. Step 3: Cross multiply
    9,212.46x = 12,713.55 × 5,020.74
  4. Step 4: Simplify right side
    9,212.46x = 63,831,429.03
  5. Step 5: Solve for x
    x = 63,831,429.03/9,212.46
  6. Step 6: Final answer
    x = 6,928.81

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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.