Home / 9,212.68-12,713.55-5,020.93

Finding the Fourth Proportional to 9,212.68, 12,713.55 and 5,020.93

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Solution

The fourth proportional to 9,212.68, 12,713.55 and 5,020.93 is: 6,928.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.68 : 12,713.55 = 5,020.93 : x
  2. Step 2: Convert to fraction form
    9,212.68/12,713.55 = 5,020.93/x
  3. Step 3: Cross multiply
    9,212.68x = 12,713.55 × 5,020.93
  4. Step 4: Simplify right side
    9,212.68x = 63,833,844.60
  5. Step 5: Solve for x
    x = 63,833,844.60/9,212.68
  6. Step 6: Final answer
    x = 6,928.91

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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.