Home / 8,385.16-11,571.51-4,608.57

Finding the Fourth Proportional to 8,385.16, 11,571.51 and 4,608.57

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Solution

The fourth proportional to 8,385.16, 11,571.51 and 4,608.57 is: 6,359.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.16 : 11,571.51 = 4,608.57 : x
  2. Step 2: Convert to fraction form
    8,385.16/11,571.51 = 4,608.57/x
  3. Step 3: Cross multiply
    8,385.16x = 11,571.51 × 4,608.57
  4. Step 4: Simplify right side
    8,385.16x = 53,328,113.84
  5. Step 5: Solve for x
    x = 53,328,113.84/8,385.16
  6. Step 6: Final answer
    x = 6,359.82

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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.