Home / 9,323.20-12,865.84-6,185.28

Finding the Fourth Proportional to 9,323.20, 12,865.84 and 6,185.28

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Solution

The fourth proportional to 9,323.20, 12,865.84 and 6,185.28 is: 8,535.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,323.20 : 12,865.84 = 6,185.28 : x
  2. Step 2: Convert to fraction form
    9,323.20/12,865.84 = 6,185.28/x
  3. Step 3: Cross multiply
    9,323.20x = 12,865.84 × 6,185.28
  4. Step 4: Simplify right side
    9,323.20x = 79,578,822.84
  5. Step 5: Solve for x
    x = 79,578,822.84/9,323.20
  6. Step 6: Final answer
    x = 8,535.57

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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.