Home / 9,212.06-12,712.64-5,020.31

Finding the Fourth Proportional to 9,212.06, 12,712.64 and 5,020.31

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Solution

The fourth proportional to 9,212.06, 12,712.64 and 5,020.31 is: 6,928.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.06 : 12,712.64 = 5,020.31 : x
  2. Step 2: Convert to fraction form
    9,212.06/12,712.64 = 5,020.31/x
  3. Step 3: Cross multiply
    9,212.06x = 12,712.64 × 5,020.31
  4. Step 4: Simplify right side
    9,212.06x = 63,821,400.40
  5. Step 5: Solve for x
    x = 63,821,400.40/9,212.06
  6. Step 6: Final answer
    x = 6,928.03

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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.