Home / 9,571.15-13,212.83-6,386.33

Finding the Fourth Proportional to 9,571.15, 13,212.83 and 6,386.33

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Solution

The fourth proportional to 9,571.15, 13,212.83 and 6,386.33 is: 8,816.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,571.15 : 13,212.83 = 6,386.33 : x
  2. Step 2: Convert to fraction form
    9,571.15/13,212.83 = 6,386.33/x
  3. Step 3: Cross multiply
    9,571.15x = 13,212.83 × 6,386.33
  4. Step 4: Simplify right side
    9,571.15x = 84,381,492.61
  5. Step 5: Solve for x
    x = 84,381,492.61/9,571.15
  6. Step 6: Final answer
    x = 8,816.23

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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.