Home / 9,212.85-12,713.73-5,021.10

Finding the Fourth Proportional to 9,212.85, 12,713.73 and 5,021.10

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Solution

The fourth proportional to 9,212.85, 12,713.73 and 5,021.10 is: 6,929.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.85 : 12,713.73 = 5,021.10 : x
  2. Step 2: Convert to fraction form
    9,212.85/12,713.73 = 5,021.10/x
  3. Step 3: Cross multiply
    9,212.85x = 12,713.73 × 5,021.10
  4. Step 4: Simplify right side
    9,212.85x = 63,836,846.13
  5. Step 5: Solve for x
    x = 63,836,846.13/9,212.85
  6. Step 6: Final answer
    x = 6,929.11

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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.